mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.

Original description

The description as published by the source.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Fix status by distribution

Fixed packages published by each distribution for this CVE

• Debian DEBIAN-CVE-2026-43864 mutt
• Ubuntu UBUNTU-CVE-2026-43864 mutt

References

• advisory github.com
• advisory nvd.nist.gov
• patch github.com