
CVE catalog
CVE-2026-42393
The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service
- Severity
- Low · CVSS 3.1
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.17% · Oct 25, 2026
The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of the secret, which reduces the effort needed to guess it. The secret value itself is not disclosed. Restrict network access to the doveadm service to trusted clients. 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-2026-42393 | Not reported |
| Alpine | dovecot | apk | 3.24 | 2.4.5-r0 | Not reported | ALPINE-CVE-2026-42393 | 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-2026-42393]
- [https://osv.dev/vulnerability/ALPINE-CVE-2026-42393]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-42393]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-42393]
- [https://security-tracker.debian.org/tracker/CVE-2026-42393]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42393.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]