Debian mutt · mutt: Schwachstelle ermöglicht Manipulation von Daten
Affects Debian muttSource GCVE Database
Not known to be exploited : upgrade the Debian debian/mutt package to 2.4.3 when convenient.
Data as of 13 Nov 2026, 11:52 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.4.3
Exploitation evidence
Disclosed: evidence found.
CVE published 11 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade the Debian debian/mutt package to 2.4.3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Debiandebian/muttpkg:deb/debian/muttOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade Mutt to version 2.4.3 or later to apply the official fix for this vulnerability.
Description
A vulnerability exists in Mutt, a text-based email client for Unix and Unix-like systems, that allows manipulation of data. This issue affects versions prior to 2.4.3 and has been fixed in version 2.4.3.
References
- wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3866.json (opens in a new tab)
- wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3866 (opens in a new tab)
- seclists.org/oss-sec/2026/q4/123 (opens in a new tab)
- github.com/advisories/GHSA-3756-2MXQ-33PR (opens in a new tab)
- security-tracker.debian.org/tracker/DSA-6563-1 (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-October/029874.html (opens in a new tab)
- lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/KSP37TJGZP56XP3ESUI6GZRB4WY5VREM/ (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-October/029924.html (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-October/030000.html (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-October/030023.html (opens in a new tab)
- lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/MESC55TZTAFTVFLQTEWSYSNEBJ3LUNQP/ (opens in a new tab)
- lists.debian.org/debian-lts-announce/2026/11/msg00022.html (opens in a new tab)