CVE-2026-43864
low
CVSS v3
2.5
CVSS v2
—
VIR risk
2.5
Description
mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.
Predictions
Exploit likelihood
27%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-43864
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-43864.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | affected | |
| debian | sid | affected | |
| debian | trixie | affected | |
References
CWEs
CWE-476
Verify integrity in audit chain (admin only). AS-IS.