CVE-2026-43864 — LOW (2.5) — White Hats Nepal

Vulnerability Description

mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.

2.5

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

What is CVE-2026-43864?

CVE-2026-43864 is a vulnerability with a CVSS score of 2.5 (LOW). mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.

How severe is CVE-2026-43864?

CVE-2026-43864 has been rated LOW with a CVSS base score of 2.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-43864?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.