AUGUST 4, 2026
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Case File

CVE-2021-32055

CRITICAL · CVSS 9.1 EPSS 2.55% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-05 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-32055
Severity
CRITICAL
CVSS
9.1
EPSS
2.55%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)