CVEvulnerability
CVE-2026-103679
6.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-10-01
- Last modified
- 2026-10-05
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-416
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 configurations
• tnef project tnef (<= 1.4.18)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://access.redhat.com/security/cve/CVE-2026-103679 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2544477 Issue Tracking, Third Party Advisory
- https://github.com/verdammelt/tnef Product