CVE catalog
CVE-2026-27857
Sending "NOOP (((...)))" command with 4000 parenthesis open+close results in ~1MB extra memory usage. Longer commands will result in client disconnection. This 1 MB can be left allocated for longer ti
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.68% · Oct 25, 2026
Sending "NOOP (((...)))" command with 4000 parenthesis open+close results in ~1MB extra memory usage. Longer commands will result in client disconnection. This 1 MB can be left allocated for longer time periods by not sending the command ending LF. So attacker could connect possibly from even a single IP and create 1000 connections to allocate 1 GB of memory, which would likely result in reaching VSZ limit and killing the process and its other proxied connections. Attacker could connect possibly from even a single IP and create 1000 connections to allocate 1 GB of memory, which would likely result in reaching VSZ limit and killing the process and its other proxied connections. Install fixed version, there is no other remediation. 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 | 2.3.22.1 | 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 | 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 | 2.3.22.1 | 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-2026-27857 | Not reported |
| Alpine | dovecot | apk | 3.24 | 2.4.3-r0 | Not reported | ALPINE-CVE-2026-27857 | Not reported |
| Ubuntu | dovecot | deb | 22.04 | 1:2.3.16+dfsg1-3ubuntu2.7 | Not reported | UBUNTU-CVE-2026-27857 | Not reported |
| Ubuntu | dovecot | deb | 24.04 | 1:2.3.21+dfsg1-2ubuntu6.3 | Not reported | UBUNTU-CVE-2026-27857 | Not reported |
| Ubuntu | dovecot | deb | 25.10 | 1:2.4.1+dfsg1-5ubuntu4.1 | Not reported | UBUNTU-CVE-2026-27857 | Not reported |
| Cpe | dovecot | cpe | Not reported | 3.1.4 | Not reported | NVD-CVE-2026-27857 | 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://access.redhat.com/errata/RHSA-2026:13498]
- [https://access.redhat.com/errata/RHSA-2026:13830]
- [https://access.redhat.com/errata/RHSA-2026:13857]
- [https://access.redhat.com/errata/RHSA-2026:17602]
- [https://access.redhat.com/errata/RHSA-2026:17625]
- [https://access.redhat.com/errata/RHSA-2026:17626]
- [https://access.redhat.com/errata/RHSA-2026:17628]
- [https://access.redhat.com/errata/RHSA-2026:17630]
- [https://access.redhat.com/errata/RHSA-2026:18053]
- [https://access.redhat.com/errata/RHSA-2026:19149]
- [https://access.redhat.com/errata/RHSA-2026:19364]
- [https://access.redhat.com/errata/RHSA-2026:19453]
- [https://access.redhat.com/errata/RHSA-2026:19455]
- [https://access.redhat.com/errata/RHSA-2026:26564]
- [https://access.redhat.com/security/cve/CVE-2026-27857]
- [https://bugzilla.redhat.com/show_bug.cgi?id=2452179]
- [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-2026-27857]
- [https://osv.dev/vulnerability/ALPINE-CVE-2026-27857]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-27857]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-27857]
- [https://security-tracker.debian.org/tracker/CVE-2026-27857]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27857.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)]