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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-103679

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

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).

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

tnef

Default version status: unaffected

  • 0 to ≤ 1.4.18affected

References