Linux
dovecot-sieve security updates
Patch Radar has 25 security fixes for dovecot-sieve, closing 32 CVEs. The newest is dovecot-sieve 1:2.4.1+dfsg1-5ubuntu4.2 (1:2.4.1+dfsg1-5ubuntu4.2), released May 12, 2026.
Latest version
n/a
Release date not known
Security fixes
25
On record in Patch Radar
CVEs
32
Closed by those fixes
Exploited
0
Vendor report or CISA KEV
Security fixes, newest first
| Priority | Fix | Release | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|---|
| Urgent | dovecot-sieve 1:2.4.1+dfsg1-5ubuntu4.2 | Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.2 | 5 | May 12, 2026 | |
| Urgent | dovecot-sieve 1:2.4.2+dfsg1-3ubuntu2.1 | Ubuntu 26.04.1 LTS (resolute) | 1:2.4.2+dfsg1-3ubuntu2.1 | 5 | May 12, 2026 | |
| High | dovecot-sieve 1:2.3.16+dfsg1-3ubuntu2.9 | Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.9 | 4 | May 12, 2026 | |
| High | dovecot-sieve 1:2.3.21+dfsg1-2ubuntu6.5 | Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.5 | 4 | May 12, 2026 | |
| High | dovecot-sieve 1:2.4.1+dfsg1-5ubuntu4.1 | Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4.1 | 10 | Apr 15, 2026 | |
| High | dovecot-sieve 1:2.3.21+dfsg1-2ubuntu6.3 | Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6.3 | 8 | Apr 15, 2026 | |
| High | dovecot-sieve 1:2.3.16+dfsg1-3ubuntu2.7 | Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.7 | 8 | Apr 15, 2026 | |
| High | dovecot-sieve 1:2.4.1+dfsg1-5ubuntu4 | Ubuntu 25.10 (questing) | 1:2.4.1+dfsg1-5ubuntu4 | 1 | Oct 31, 2025 | |
| High | dovecot-sieve 1:2.3.21.1+dfsg1-1ubuntu1 | Ubuntu 24.10 (oracular) | 1:2.3.21.1+dfsg1-1ubuntu1 | 1 | Aug 24, 2024 | |
| High | dovecot-sieve 1:2.3.21.1+dfsg1-1ubuntu1 | Ubuntu 25.04 (plucky) | 1:2.3.21.1+dfsg1-1ubuntu1 | 1 | Aug 24, 2024 | |
| High | dovecot-sieve 1:2.3.16+dfsg1-3ubuntu2.4 | Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.4 | 2 | Aug 23, 2024 | |
| High | dovecot-sieve 1:2.3.21+dfsg1-2ubuntu6 | Ubuntu 24.04.5 LTS (noble) | 1:2.3.21+dfsg1-2ubuntu6 | 2 | Aug 23, 2024 | |
| High | dovecot-sieve 1:2.3.7.2-1ubuntu3.7 | Ubuntu 20.04 LTS (focal) | 1:2.3.7.2-1ubuntu3.7 | 1 | Aug 23, 2024 | |
| High | dovecot-sieve 1:2.2.33.2-1ubuntu4.8 | Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.8 | 1 | Jul 6, 2022 | |
| High | dovecot-sieve 1:2.3.16+dfsg1-3ubuntu2.1 | Ubuntu 22.04.1 LTS (jammy) | 1:2.3.16+dfsg1-3ubuntu2.1 | 1 | Jul 6, 2022 | |
| High | dovecot-sieve 1:2.3.7.2-1ubuntu3.6 | Ubuntu 20.04 LTS (focal) | 1:2.3.7.2-1ubuntu3.6 | 1 | Jul 6, 2022 | |
| Routine | dovecot-sieve 1:2.3.7.2-1ubuntu3.4 | Ubuntu 20.04 LTS (focal) | 1:2.3.7.2-1ubuntu3.4 | 1 | Jun 21, 2021 | |
| High | dovecot-sieve 1:2.2.33.2-1ubuntu4.7 | Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.7 | 2 | Jan 4, 2021 | |
| High | dovecot-sieve 1:2.3.7.2-1ubuntu3.3 | Ubuntu 20.04 LTS (focal) | 1:2.3.7.2-1ubuntu3.3 | 2 | Jan 4, 2021 | |
| High | dovecot-sieve 1:2.2.33.2-1ubuntu4.6 | Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.6 | 3 | Aug 12, 2020 | |
| High | dovecot-sieve 1:2.3.7.2-1ubuntu3.2 | Ubuntu 20.04 LTS (focal) | 1:2.3.7.2-1ubuntu3.2 | 3 | Aug 12, 2020 | |
| High | dovecot-sieve 1:2.3.7.2-1ubuntu3.1 | Ubuntu 20.04 LTS (focal) | 1:2.3.7.2-1ubuntu3.1 | 3 | May 18, 2020 | |
| High | dovecot-sieve 1:2.2.33.2-1ubuntu4.4 | Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.4 | 1 | Aug 28, 2019 | |
| Routine | dovecot-sieve 1:2.2.33.2-1ubuntu4.3 | Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.3 | 1 | Mar 28, 2019 | |
| High | dovecot-sieve 1:2.2.33.2-1ubuntu4.2 | Ubuntu 18.04.6 LTS (bionic) | 1:2.2.33.2-1ubuntu4.2 | 1 | Feb 5, 2019 |