CVE-2026-103679 — Tnef: use-after-free and double-free in get_body_files() via multi-value body extraction

CVE-2026-103679

Tnef: use-after-free and double-free in get_body_files() via multi-value body extraction PUBLISHED

Description (CNA)

A flaw was found in tnef. A remote attacker could exploit this vulnerability by providing a specially crafted Transport Neutral Encapsulation Format (TNEF) file containing multiple message bodies. During extraction, improper memory management triggers a use-after-free and double-free condition, causing the application to crash and resulting in a Denial of Service (DoS).

Affected (CNA)

Vendor / product	Versions
Not supplied / Not supplied	affected 0 through 1.4.18

CWE

CWE-416

References

https://access.redhat.com/security/cve/CVE-2026-103679
https://bugzilla.redhat.com/show_bug.cgi?id=2544477
https://github.com/verdammelt/tnef

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.