CVE-2026-103679

MediumCVSS 6.5/10Last modified Oct 5, 2026

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).

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 1, 2026
Last modified
Oct 5, 2026
NVD status
Analyzed

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CVE-2026-103679: Medium severity, CVSS 6.5 | Vulnix