CVE catalog

CVE-2011-1429

mutt: CVE-2011-1429

Severity: Medium
Published: Mar 16, 2011, 10:55:04 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.47% · Oct 25, 2026

Mutt does not verify that the smtps server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL SMTP server via an arbitrary certificate, a different vulnerability than CVE-2009-3766.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	mutt	sid	`2.4.1-1.1`	fixed
Debian	mutt	forky	`2.4.1-1`	fixed
Debian	mutt	trixie	`2.2.13-1+deb13u1`	fixed
Debian	mutt	trixie-security	`2.2.13-1+deb13u2`	fixed
Debian	mutt	bookworm	`2.2.12-0.1~deb12u1`	fixed
Debian	mutt	bookworm-security	`2.2.9-1+deb12u1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	mutt	source	sid	`1.5.21-5`	low	Not reported	[619216]
Debian	mutt	source	forky	`1.5.21-5`	low	Not reported	[619216]
Debian	mutt	source	trixie	`1.5.21-5`	low	Not reported	[619216]
Debian	mutt	source	bookworm	`1.5.21-5`	low	Not reported	[619216]

[Debian bug #619216]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[mutt]Unknown
Details (4)
- 2.2.12-0.1~deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1.5.21-5
  dsa · mutt · debian · bookworm; dsa · mutt · debian · 12
- 2.2.12-0.1~deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1.5.21-5
  dsa · mutt · debian · bookworm; dsa · mutt · debian · 12
- 2.2.9-1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 1.5.21-5
  dsa · mutt · debian · bookworm; dsa · mutt · debian · 12
- 2.2.9-1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 1.5.21-5
  dsa · mutt · debian · bookworm; dsa · mutt · debian · 12

[Debian 13 (Trixie)]

[mutt]Unknown
Details (3)
- 2.2.13-1+deb13u1 · amd64 · trixie
  Fixed · Fixed: 1.5.21-5
  dsa · mutt · debian · 13
- 2.2.13-1+deb13u1 · arm64 · trixie
  Fixed · Fixed: 1.5.21-5
  dsa · mutt · debian · 13
- 2.2.13-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 1.5.21-5
  dsa · mutt · debian · 13

Observed: Oct 23, 2026, 5:05:21 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]