NVD · CVE-2026-43864

CVE-2026-43864

Published: Mon, 04 May 2026 07:16

CVE-2026-43864

Summary

mutt before 2.3.2 has a show_sig_summary NULL pointer dereference.

Are YOU affected by CVE-2026-43864?

5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether CVE-2026-43864 (and any other live CVE) applies. Anonymous, no signup.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan Read the bash source first

References

https://github.com/muttmua/mutt/commit/ebfa2969042d89303d15334193fcc32866c8a8df

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