
CVE catalog
CVE-2026-27859
A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU t
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.38% · Oct 25, 2026
A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU time. Use MTA capabilities to limit RFC 2231 MIME parameters in mail messages, or upgrade to fixed version where the processing is limited. No publicly available exploits are known.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | dovecot | sid | 1:2.4.5+dfsg1-4 | fixed |
| Debian | dovecot | forky | 1:2.4.5+dfsg1-4 | fixed |
| Debian | dovecot | trixie | 1:2.4.1+dfsg1-6+deb13u6 | fixed |
| Debian | dovecot | trixie-security | 1:2.4.1+dfsg1-6+deb13u7 | fixed |
| Debian | dovecot | bookworm | 1:2.3.19.1+dfsg1-2.1+deb12u6 | fixed |
| Debian | dovecot | bookworm-security | 1:2.3.19.1+dfsg1-2.1+deb12u6 | fixed |
| Cpe | dovecot | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-auth-lua | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-core | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-dev | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-gssapi | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-imapd | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-ldap | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-lmtpd | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-managesieved | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-mysql | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-pgsql | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-pop3d | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-sieve | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-solr | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-sqlite | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot-submissiond | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Cpe | dovecot | Not reported | 2.4.3 | fixed |
| Cpe | dovecot | Not reported | 3.0.5 | fixed |
| Cpe | dovecot | Not reported | 3.1.4 | fixed |
| Cpe | dovecot | Not reported | 1:2.3.19.1+dfsg1-2.1+deb12u2 | fixed |
| Alpine | dovecot | 3.23 | 2.4.3-r0 | fixed |
| Alpine | dovecot | 3.24 | 2.4.3-r0 | fixed |
| Ubuntu | dovecot | pro | 1:2.1.7-7ubuntu3 | vulnerable |
| Ubuntu | dovecot | pro | 1:2.2.9-1ubuntu1 | vulnerable |
| Ubuntu | dovecot | pro | 1:2.2.9-1ubuntu2 | vulnerable |
| Ubuntu | dovecot | pro | 1:2.2.9-1ubuntu2.1 | vulnerable |
| Ubuntu | dovecot | pro | 1:2.2.9-1ubuntu2.3 | vulnerable |
| Ubuntu | dovecot | pro | 1:2.2.9-1ubuntu2.4 | vulnerable |
| Ubuntu | dovecot | pro | 1:2.2.9-1ubuntu2.5 | vulnerable |
| Ubuntu | dovecot | pro | 1:2.2.9-1ubuntu2.6 | vulnerable |
| Ubuntu | dovecot | pro | 1:2.2.9-1ubuntu2.6+esm1 | vulnerable |
| Ubuntu | dovecot | pro | 1:2.2.9-1ubuntu2.6+esm2 | vulnerable |
| Ubuntu | dovecot | pro | 1:2.2.9-1ubuntu2.6+esm3 | vulnerable |
| Ubuntu | dovecot | pro | 1:2.2.9-1ubuntu2.6+esm4 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.18-2ubuntu2 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu1 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.1 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.2 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.3 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.4 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.6 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.7 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.8 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.9 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.10 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.11 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.12 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.13 | vulnerable |
| Ubuntu | dovecot | 16.04 | 1:2.2.22-1ubuntu2.14 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.27-3ubuntu1 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.33.2-1ubuntu1 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.33.2-1ubuntu2 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.33.2-1ubuntu3 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.33.2-1ubuntu4 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.33.2-1ubuntu4.1 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.33.2-1ubuntu4.2 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.33.2-1ubuntu4.3 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.33.2-1ubuntu4.4 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.33.2-1ubuntu4.5 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.33.2-1ubuntu4.6 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.33.2-1ubuntu4.7 | vulnerable |
| Ubuntu | dovecot | 18.04 | 1:2.2.33.2-1ubuntu4.8 | vulnerable |
| Ubuntu | dovecot | 20.04 | 1:2.3.4.1-5ubuntu3 | vulnerable |
| Ubuntu | dovecot | 20.04 | 1:2.3.7.2-1ubuntu1 | vulnerable |
| Ubuntu | dovecot | 20.04 | 1:2.3.7.2-1ubuntu2 | vulnerable |
| Ubuntu | dovecot | 20.04 | 1:2.3.7.2-1ubuntu3 | vulnerable |
| Ubuntu | dovecot | 20.04 | 1:2.3.7.2-1ubuntu3.1 | vulnerable |
| Ubuntu | dovecot | 20.04 | 1:2.3.7.2-1ubuntu3.2 | vulnerable |
| Ubuntu | dovecot | 20.04 | 1:2.3.7.2-1ubuntu3.3 | vulnerable |
| Ubuntu | dovecot | 20.04 | 1:2.3.7.2-1ubuntu3.4 | vulnerable |
| Ubuntu | dovecot | 20.04 | 1:2.3.7.2-1ubuntu3.5 | vulnerable |
| Ubuntu | dovecot | 20.04 | 1:2.3.7.2-1ubuntu3.6 | vulnerable |
| Ubuntu | dovecot | 20.04 | 1:2.3.7.2-1ubuntu3.7 | vulnerable |
| Ubuntu | dovecot | 22.04 | 1:2.3.13+dfsg1-1ubuntu3 | vulnerable |
| Ubuntu | dovecot | 22.04 | 1:2.3.16+dfsg1-3ubuntu1 | vulnerable |
| Ubuntu | dovecot | 22.04 | 1:2.3.16+dfsg1-3ubuntu2 | vulnerable |
| Ubuntu | dovecot | 22.04 | 1:2.3.16+dfsg1-3ubuntu2.1 | vulnerable |
| Ubuntu | dovecot | 22.04 | 1:2.3.16+dfsg1-3ubuntu2.2 | vulnerable |
| Ubuntu | dovecot | 22.04 | 1:2.3.16+dfsg1-3ubuntu2.4 | vulnerable |
| Ubuntu | dovecot | 22.04 | 1:2.3.16+dfsg1-3ubuntu2.6 | vulnerable |
| Ubuntu | dovecot | 22.04 | 1:2.3.16+dfsg1-3ubuntu2.7 | fixed |
| Ubuntu | dovecot | 24.04 | 1:2.3.20+dfsg1-1ubuntu3 | vulnerable |
| Ubuntu | dovecot | 24.04 | 1:2.3.21+dfsg1-2ubuntu1 | vulnerable |
| Ubuntu | dovecot | 24.04 | 1:2.3.21+dfsg1-2ubuntu2 | vulnerable |
| Ubuntu | dovecot | 24.04 | 1:2.3.21+dfsg1-2ubuntu4 | vulnerable |
| Ubuntu | dovecot | 24.04 | 1:2.3.21+dfsg1-2ubuntu5 | vulnerable |
| Ubuntu | dovecot | 24.04 | 1:2.3.21+dfsg1-2ubuntu6 | vulnerable |
| Ubuntu | dovecot | 24.04 | 1:2.3.21+dfsg1-2ubuntu6.1 | vulnerable |
| Ubuntu | dovecot | 24.04 | 1:2.3.21+dfsg1-2ubuntu6.2 | vulnerable |
| Ubuntu | dovecot | 24.04 | 1:2.3.21+dfsg1-2ubuntu6.3 | fixed |
| Ubuntu | dovecot | 25.10 | 1:2.3.21.1+dfsg1-1ubuntu2 | vulnerable |
| Ubuntu | dovecot | 25.10 | 1:2.4.1+dfsg1-5ubuntu1 | vulnerable |
| Ubuntu | dovecot | 25.10 | 1:2.4.1+dfsg1-5ubuntu3 | vulnerable |
| Ubuntu | dovecot | 25.10 | 1:2.4.1+dfsg1-5ubuntu4 | vulnerable |
| Ubuntu | dovecot | 25.10 | 1:2.4.1+dfsg1-5ubuntu4.1 | fixed |
| Cpe | dovecot | Not reported | 3.1.4 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | dovecot | source | sid | 1:2.4.3+dfsg1-1 | not yet assigned | Not reported | Not reported |
| Debian | dovecot | source | forky | 1:2.4.3+dfsg1-1 | not yet assigned | Not reported | Not reported |
| Debian | dovecot | source | trixie | 1:2.4.1+dfsg1-6+deb13u4 | not yet assigned | Not reported | Not reported |
| Debian | dovecot | source | bookworm | 1:2.3.19.1+dfsg1-2.1+deb12u2 | not yet assigned | Not reported | Not reported |
| Cpe | dovecot | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-auth-lua | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-core | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-dev | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-gssapi | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-imapd | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-ldap | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-lmtpd | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-managesieved | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-mysql | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-pgsql | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-pop3d | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-sieve | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-solr | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-sqlite | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot-submissiond | cpe | Not reported | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot | cpe | Not reported | 2.4.3 | Not reported | Not reported | Not reported |
| Cpe | dovecot | cpe | Not reported | 3.0.5 | Not reported | Not reported | Not reported |
| Cpe | dovecot | cpe | Not reported | 3.1.4 | Not reported | Not reported | Not reported |
| Cpe | dovecot | cpe | Not reported | 1:2.3.19.1+dfsg1-2.1+deb12u2 | Not reported | Not reported | Not reported |
| Alpine | dovecot | apk | 3.23 | 2.4.3-r0 | Not reported | ALPINE-CVE-2026-27859 | Not reported |
| Alpine | dovecot | apk | 3.24 | 2.4.3-r0 | Not reported | ALPINE-CVE-2026-27859 | Not reported |
| Ubuntu | dovecot | deb | 22.04 | 1:2.3.16+dfsg1-3ubuntu2.7 | Not reported | UBUNTU-CVE-2026-27859 | Not reported |
| Ubuntu | dovecot | deb | 24.04 | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | UBUNTU-CVE-2026-27859 | Not reported |
| Ubuntu | dovecot | deb | 25.10 | 1:2.4.1+dfsg1-5ubuntu4.1 | Not reported | UBUNTU-CVE-2026-27859 | Not reported |
| Cpe | dovecot | cpe | Not reported | 3.1.4 | Not reported | NVD-CVE-2026-27859 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [dovecot-auth-lua]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-core]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-dev]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-gssapi]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-imapd]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-ldap]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-lmtpd]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-lucene]Fixed
Source package: [dovecot]
Details (4)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-managesieved]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-mysql]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-pgsql]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-pop3d]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-sieve]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-solr]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-sqlite]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-submissiond]Fixed
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityFixed · Fixed:
1:2.3.19.1+dfsg1-2.1+deb12u2nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
[Debian 13 (Trixie)]
- [dovecot-auth-lua]Fixed
Source package: [dovecot]
Details (5)
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixieFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixieFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixie-security · Historical versionFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixie-securityFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
- [dovecot-core]Fixed
Source package: [dovecot]
Details (5)
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixieFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixieFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixie-security · Historical versionFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixie-securityFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
- [dovecot-dev]Fixed
Source package: [dovecot]
Details (5)
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixieFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixieFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixie-security · Historical versionFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixie-securityFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
- [dovecot-flatcurve]Fixed
Source package: [dovecot]
Details (5)
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixieFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixieFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixie-security · Historical versionFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixie-securityFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u4nvd · dovecot · debian · 13
Observed:
References
- [https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2026/oxdc-adv-2026-0001.json]
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_4139-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-27859]
- [https://osv.dev/vulnerability/ALPINE-CVE-2026-27859]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-27859]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-27859]
- [https://security-tracker.debian.org/tracker/CVE-2026-27859]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27859.json]
- [https://ubuntu.com/security/notices/USN-8136-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0891.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]