
CVE catalog
CVE-2026-33263
When mail_max_userip_connections is set (default 10) and reached, submission-login can crash with epoll() panic caused by file descriptor handling issues. If running in high-security mode (default for
- Severity
- High · CVSS 7.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.55% · Oct 25, 2026
When mail_max_userip_connections is set (default 10) and reached, submission-login can crash with epoll() panic caused by file descriptor handling issues. If running in high-security mode (default for community releases), only the new submission connection gets terminated. If running in high-performance mode (default for Pro releases), all connections handled by the submission-login process will be terminated. The crashes can cause failure for user to send a message, or it can cause duplicate messages to be sent. If TLS is not used (in the backend server processing the submission), duplicate deliveries cannot happen, because the crash can only happen at AUTH stage. Limit the number of connections handled by single submission-login process. This has a performance impact though. 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-2026-33263 | Not reported |
| Alpine | dovecot | apk | 3.24 | 2.4.5-r0 | Not reported | ALPINE-CVE-2026-33263 | 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-2026-33263]
- [https://osv.dev/vulnerability/ALPINE-CVE-2026-33263]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-33263]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-33263]
- [https://security-tracker.debian.org/tracker/CVE-2026-33263]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33263.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]