CVE-2026-43862
mutt: In mutt before 2.3.2, the imap_auth_gss security level is mishandled.
CVE-2026-43862 is fixed in mutt on 1 platform, first by DEBIAN-CVE-2026-43862, released May 4, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
3.7
low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0016
5th percentile
In mutt before 2.3.2, the imap_auth_gss security level is mishandled.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| mutt · Debian 13.5 (trixie) | 2.2.13-1+deb13u1 | DEBIAN-CVE-2026-43862 | May 4, 2026 |
| mutt · Debian 14 | 2.3.2-1 | DEBIAN-CVE-2026-43862 | May 4, 2026 |
| mutt · opensuse-leap 16.0 | 2.2.16-160000.2.1 | OPENSUSE-SU-2026:21016-1 | Jun 22, 2026 |
| mutt · sles 16.0 | 2.2.16-160000.2.1 | SUSE-SU-2026:22340-1 | Jun 22, 2026 |
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