Out-of-Bounds Read Vulnerability in Mutt and NeoMutt with $imap_qresync

Out-of-Bounds Read Vulnerability in Mutt and NeoMutt with $imap_qresync

CVE-2021-32055 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

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.

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