Vulnerability Database · Debian · Package report
dovecot: vulnerability history, versions and safety
dovecot is a package in the Debian ecosystem. Vulert records 127 vulnerabilities for it across 47 releases, from Nov -0001 to Aug 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.
No patched version yet — these are the ones to plan around.
See the unfixed vulnerabilities →No published version shipped hostile code.
Vulert verdict on dovecot i
Updated on 23 Oct 2026
Careful: 44 of the 127 vulnerabilities Vulert records for this package have no fix yet. Plan around those, or apply the workaround listed for each. The rest have a fixed version to move to.
What to do: Plan around the 44 vulnerabilities with no published fix: each lists the affected range and any workaround that reduces exposure. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →
- Vulnerabilities on record 127 over 2026 years · 30 in the last year i
- Latest disclosure 28 Aug 2026 i
- Highest CVSS 9.1 i
- With no published fix 44 i
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01 Versions
Which versions are affected
Every version Vulert holds for dovecot, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.
Newest 47 of 47 versions on record. Severity counts are the vulnerabilities recorded against that exact release.
02 Disclosure history
How often vulnerabilities are recorded
Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 30 of the 127 were recorded in the last 12 months.
Other ways into the data
03 Vulnerabilities
Recorded vulnerabilities for dovecot
| Vulnerability | Severity | Fixed version ↓ | Disclosed ↓ |
|---|---|---|---|
| Use-After-Free Vulnerability in Dovecot Package Leading to Memory Corruption | 9.1 critical | No fix published | 28 Aug 2026 |
| Denial of Service Vulnerability in Dovecot ManageSieve Service | 7.5 high | No fix published | 28 Aug 2026 |
| Denial of Service Vulnerability in Dovecot - CVE-2017-2669 | 7.5 high | 1:2.2.27-3 | 21 Jun 2018 |
| Denial of Service Vulnerability in Dovecot Due to Excessive Memory Usage | 7.5 high | No fix published | 28 Aug 2026 |
| ACL Plugin in Dovecot treats negative access rights as positive | 7.5 high | 1:1.0.15-2.2 | 15 Oct 2008 |
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Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315
