What’s Vulnerable › Vulnerabilities
CVE-2026-43864
- Severity: low (CVSS 2.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-04 · updated 2026-06-17
- Weakness: CWE-476
Description
mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.
Affected products
- mutt: before 2.3.2 — fixed in 2.3.2
How to fix
Upgrade to a fixed version: mutt 2.3.2. Check the vendor advisory for mitigations.
References
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