CVE-2026-103679
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Oct 01, 2026
Vendor
unknown
Description
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).