| Name | CVE-2020-10958 |
| Description | In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, submission, or lmtp, and can lead to a crash under circumstances involving many newlines after a command. |
| 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-4690-1 |
| Debian Bugs | 960963 |
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 | 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 | jessie | (not affected) | |||
| dovecot | source | stretch | (not affected) | |||
| dovecot | source | buster | 1:2.3.4.1-5+deb10u2 | DSA-4690-1 | ||
| dovecot | source | (unstable) | 1:2.3.10.1+dfsg1-1 | 960963 |
[stretch] - dovecot <not-affected> (Vulnerable code introduced in 2.3.0)
[jessie] - dovecot <not-affected> (Vulnerable code introduced in 2.3.0)
https://www.openwall.com/lists/oss-security/2020/05/18/1