PT-2026-36776 · Mutt · Mutt

Evilrabbit · Published 2026-05-04 · Updated 2026-05-09 · CVE-2026-43863

Positive Technologies (AI Summary)

CVSS v3.1

3.7

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions mutt versions prior to 2.3.2

Description An infinite loop exists in the data object to stream() function within the crypt-gpgme.c file.

Recommendations Update to version 2.3.2 or later.

Fix

Weakness Enumeration

CWE-253

Related Identifiers

CVE-2026-43863

OESA-2026-2200

OPENSUSE-SU-2026:10695-1

Affected Products

Mutt

References · 19

• https://ubuntu.com/security/CVE-2026-43863 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-43862 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-43859 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-43860 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-43863 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10695-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-43863 · Security Note
• https://osv.dev/vulnerability/OESA-2026-2200 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-43863 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-43861 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-43863 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-43864 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-43863 · Vendor Advisory
• https://github.com/muttmua/mutt/commit/fdc04a171777327218a1e78db504926c388b48c4 · Note
• https://suse.com/security/cve/CVE-2026-43861 · Note