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CVE-2026-43864: mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.

LOW CVSS 2.5

Published: May 4, 2026 | Last Modified: May 4, 2026

Description

mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.

Ghostwire Analysis — What This Means Practically

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

Security Coverage (2 articles)

CVE Feed
CVE-2026-43864 - Mutt NULL Pointer Dereference Vulnerability
 Tenable CVEs
CVE-2026-43864

References