| Name | CVE-2025-30189 |
| Description | When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted passdb/userdb drivers. No publicly available exploits are known. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6019-1 |
| Debian Bugs | 1115474 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| dovecot (PTS) | bullseye | 1:2.3.13+dfsg1-2+deb11u1 | fixed |
| bullseye (security) | 1:2.3.13+dfsg1-2+deb11u2 | fixed | |
| bookworm, bookworm (security) | 1:2.3.19.1+dfsg1-2.1+deb12u1 | fixed | |
| trixie | 1:2.4.1+dfsg1-6+deb13u2 | fixed | |
| trixie (security) | 1:2.4.1+dfsg1-6+deb13u1 | fixed | |
| forky | 1:2.4.1+dfsg1-9 | fixed | |
| sid | 1:2.4.2+dfsg1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| dovecot | source | bullseye | (not affected) | |||
| dovecot | source | bookworm | (not affected) | |||
| dovecot | source | trixie | 1:2.4.1+dfsg1-6+deb13u1 | DSA-6019-1 | ||
| dovecot | source | (unstable) | 1:2.4.1+dfsg1-7 | 1115474 |
[bookworm] - dovecot <not-affected> (Vulnerable code introduced later)
[bullseye] - dovecot <not-affected> (Vulnerable code introduced later)
Introduced by: https://github.com/dovecot/core/commit/2e298e7ee98b6df61cf85117f000290d60a473b8 (2.4.1)
Fixed by: https://github.com/dovecot/core/commit/a70ce7d3e2f983979e971414c5892c4e30197231