| Name | CVE-2021-32055 |
| Description | Mutt 1.11.0 through 2.0.x before 2.0.7 (and NeoMutt 2019-10-25 through 2021-05-04) has a $imap_qresync issue in which imap/util.c has an out-of-bounds read in situations where an IMAP sequence set ends with a comma. NOTE: the $imap_qresync setting for QRESYNC is not enabled by default. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 988106, 988107 |
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 | 20241114+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| mutt | source | jessie | (not affected) | | | |
| mutt | source | stretch | (not affected) | | | |
| mutt | source | buster | (not affected) | | | |
| mutt | source | (unstable) | 2.0.5-4.1 | | | 988106 |
| neomutt | source | buster | (not affected) | | | |
| neomutt | source | (unstable) | 20201127+dfsg.1-1.2 | | | 988107 |
Notes
[buster] - mutt <not-affected> (Vulnerable code introduced later)
[stretch] - mutt <not-affected> (Vulnerable code introduced later)
[buster] - neomutt <not-affected> (Vulnerable code introduced later)
https://gitlab.com/muttmua/mutt/-/commit/7c4779ac24d2fb68a2a47b58c7904118f40965d5
https://github.com/neomutt/neomutt/commit/fa1db5785e5cfd9d3cd27b7571b9fe268d2ec2dc
imap_qresync not enabled by default and considered an experimental feature
[jessie] - mutt <not-affected> (Vulnerable code introduced later)