Medium severity6.5NVD Advisory· Published Oct 1, 2026· Updated Oct 1, 2026
CVE-2026-103679
CVE-2026-103679
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).
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Affected products
1Patches
Vulnerability mechanics
References
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