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Vulnerability · Published May 5, 2021 · Assigned by mitre

CVE-2021-32055

Critical 9.1

In plain English

A critical-severity security flaw in the neomutt package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.6% (higher than 85% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)2.6%top 14.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20neomutt20211015-r0ALPINE-CVE-2021-32055
Alpine:v3.21neomutt20211015-r0ALPINE-CVE-2021-32055
Alpine:v3.22neomutt20211015-r0ALPINE-CVE-2021-32055
Alpine:v3.23neomutt20211015-r0ALPINE-CVE-2021-32055
Alpine:v3.24neomutt20211015-r0ALPINE-CVE-2021-32055
Debian:12mutt2.0.5-4.1DEBIAN-CVE-2021-32055
Debian:13mutt2.0.5-4.1DEBIAN-CVE-2021-32055
Debian:14mutt2.0.5-4.1DEBIAN-CVE-2021-32055
Debian:12neomutt20201127+dfsg.1-1.2DEBIAN-CVE-2021-32055
Debian:13neomutt20201127+dfsg.1-1.2DEBIAN-CVE-2021-32055
Debian:14neomutt20201127+dfsg.1-1.2DEBIAN-CVE-2021-32055
Ubuntu:22.04:LTSmutt2.1.4-1ubuntu1.1USN-5392-1

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References