| Name | CVE-2020-14093 |
| Description | Mutt before 1.14.3 allows an IMAP fcc/postpone man-in-the-middle attack via a PREAUTH response. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2268-1, DLA-2268-2, DSA-4707-1, DSA-4708-1 |
| Debian Bugs | 962897 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| mutt (PTS) | jessie, jessie (lts) | 1.5.23-3+deb8u7 | fixed |
| stretch (security) | 1.7.2-1+deb9u6 | fixed |
| stretch (lts), stretch | 1.7.2-1+deb9u7 | fixed |
| buster (security), buster, buster (lts) | 1.10.1-2.1+deb10u7 | fixed |
| bullseye (security), bullseye | 2.0.5-4.1+deb11u3 | fixed |
| bookworm | 2.2.12-0.1~deb12u1 | fixed |
| bookworm (security) | 2.2.9-1+deb12u1 | fixed |
| sid, trixie | 2.2.13-1 | fixed |
| neomutt (PTS) | buster | 20180716+dfsg.1-1+deb10u2 | fixed |
| buster (security), buster (lts) | 20180716+dfsg.1-1+deb10u1 | fixed |
| bullseye | 20201127+dfsg.1-1.2 | fixed |
| bookworm | 20220429+dfsg1-4.1 | fixed |
| sid, trixie | 20241212+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
Fixed by: https://gitlab.com/muttmua/mutt/commit/3e88866dc60b5fa6aaba6fd7c1710c12c1c3cd01
Fix for CVE-2020-14093 introduces a regression, cf. #963107
Regression fixed by: https://gitlab.com/muttmua/mutt/-/commit/dc909119b3433a84290f0095c0f43a23b98b3748