CVE-2021-32055
9.1
CRITICAL
CVSS 3.1
EPSS 0.37%
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.
How to fix CVE-2021-32055
To remediate CVE-2021-32055, upgrade the affected package to a fixed version below.
- Debian/mutt—upgrade to 2.0.5-4.1 or later
- —upgrade to 20201127+dfsg.1-1.2 or later
Is CVE-2021-32055 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.0.5-4.1
- from 0, < 20201127+dfsg.1-1.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |