CVE-2026-43864
2.5
LOW
CVSS 3.1
EPSS 0.01%
Description
mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.
How to fix CVE-2026-43864
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/mutt—no fix listed
Is CVE-2026-43864 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW2.5 | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L |