
CVE catalog
CVE-2026-42395
A host listed as a trusted proxy can send forwarding information containing a NUL byte, which crashes the login process on the following login attempt. The login process is terminated, which can cause
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.35% · Oct 25, 2026
A host listed as a trusted proxy can send forwarding information containing a NUL byte, which crashes the login process on the following login attempt. The login process is terminated, which can cause degradation or denial of service for logins. Deployments that do not configure trusted proxies are not affected. Restrict the list of trusted proxy networks to hosts that are fully under your control. Update to non-vulnerable version. 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 | vulnerable |
| Debian | dovecot | trixie-security | 1:2.4.1+dfsg1-6+deb13u7 | fixed |
| Debian | dovecot | bookworm | 1:2.3.19.1+dfsg1-2.1+deb12u6 | vulnerable |
| Debian | dovecot | bookworm-security | 1:2.3.19.1+dfsg1-2.1+deb12u6 | vulnerable |
| Alpine | dovecot | 3.23 | 2.4.5-r0 | fixed |
| Alpine | dovecot | 3.24 | 2.4.5-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 | vulnerable |
| Ubuntu | dovecot | 22.04 | 1:2.3.16+dfsg1-3ubuntu2.8 | vulnerable |
| Ubuntu | dovecot | 22.04 | 1:2.3.16+dfsg1-3ubuntu2.9 | vulnerable |
| 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 | vulnerable |
| Ubuntu | dovecot | 24.04 | 1:2.3.21+dfsg1-2ubuntu6.4 | vulnerable |
| Ubuntu | dovecot | 24.04 | 1:2.3.21+dfsg1-2ubuntu6.5 | vulnerable |
| Ubuntu | dovecot | 26.04 | 1:2.4.1+dfsg1-5ubuntu4 | vulnerable |
| Ubuntu | dovecot | 26.04 | 1:2.4.1+dfsg1-5ubuntu5 | vulnerable |
| Ubuntu | dovecot | 26.04 | 1:2.4.2+dfsg1-3ubuntu1 | vulnerable |
| Ubuntu | dovecot | 26.04 | 1:2.4.2+dfsg1-3ubuntu2 | vulnerable |
| Ubuntu | dovecot | 26.04 | 1:2.4.2+dfsg1-3ubuntu2.1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | dovecot | source | sid | 1:2.4.5+dfsg1-1 | not yet assigned | Not reported | [1146018] |
| Debian | dovecot | source | forky | 1:2.4.5+dfsg1-1 | not yet assigned | Not reported | [1146018] |
| Debian | dovecot | source | trixie | 1:2.4.1+dfsg1-6+deb13u7 | not yet assigned | Not reported | [1146018] |
| Debian | dovecot | source | bookworm | (unfixed) | not yet assigned | Not reported | [1146018] |
| Alpine | dovecot | apk | 3.23 | 2.4.5-r0 | Not reported | ALPINE-CVE-2026-42395 | Not reported |
| Alpine | dovecot | apk | 3.24 | 2.4.5-r0 | Not reported | ALPINE-CVE-2026-42395 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [dovecot-auth-lua]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-core]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-dev]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-gssapi]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-imapd]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-ldap]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-lmtpd]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-lucene]Affected
Source package: [dovecot]
Details (4)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-managesieved]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-mysql]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-pgsql]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-pop3d]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-sieve]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-solr]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-sqlite]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
- [dovecot-submissiond]Affected
Source package: [dovecot]
Details (6)
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookwormAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.21.1+dfsg1-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· amd64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
1:2.3.19.1+dfsg1-2.1+deb12u6· arm64 · bookworm-securityAffected
nvd · dovecot · debian · bookworm; nvd · dovecot · debian · 12
[Debian 13 (Trixie)]
- [dovecot-auth-lua]Affected
Source package: [dovecot]
Details (5)
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixieAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixieAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixie-security · Historical versionAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixie-securityAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
- [dovecot-core]Affected
Source package: [dovecot]
Details (5)
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixieAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixieAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixie-security · Historical versionAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixie-securityAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
- [dovecot-dev]Affected
Source package: [dovecot]
Details (5)
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixieAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixieAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixie-security · Historical versionAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixie-securityAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
- [dovecot-flatcurve]Affected
Source package: [dovecot]
Details (5)
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixieAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixieAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· amd64 · trixie-security · Historical versionAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u6· arm64 · trixie-securityAffected · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
1:2.4.1+dfsg1-6+deb13u7· amd64 · trixie-securityFixed · Fixed:
1:2.4.1+dfsg1-6+deb13u7nvd · dovecot · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11629-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-42395]
- [https://osv.dev/vulnerability/ALPINE-CVE-2026-42395]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-42395]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-42395]
- [https://security-tracker.debian.org/tracker/CVE-2026-42395]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42395.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3076.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]