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.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.41%
Vendor Advisory gentoo.org Vendor Advisory mutt.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.com/muttmua/mutt/-/commit/7c4779ac24d2fb68a2a47b58c7904118f40965d5 third party advisory patch
http://lists.mutt.org/pipermail/mutt-announce/Week-of-Mon-20210503/000036.html vendor advisory mailing list
https://github.com/neomutt/neomutt/commit/fa1db5785e5cfd9d3cd27b7571b9fe268d2ec2dc third party advisory patch
https://security.gentoo.org/glsa/202105-05 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-32055?
CVE-2021-32055 has been scored as a critical severity vulnerability.
How to fix CVE-2021-32055?
To fix CVE-2021-32055, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-32055 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-32055 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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