CVE-2026-103679

Published: Ott 01, 2026 Last Modified: Ott 01, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high

Description

AI Translation Available

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).

416

Use After Free

Stable
Abstraction: Variant Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Confidentiality
Potential Impacts:
Modify Memory Dos: Crash, Exit, Or Restart Read Memory Execute Unauthorized Code Or Commands
Applicable Platforms
Languages: Memory-Unsafe, C, C++
Likelihood of Exploit: High
View CWE Details
https://access.redhat.com/security/cve/CVE-2026-103679
https://access.redhat.com/security/cve/CVE-2026-103679
https://bugzilla.redhat.com/show_bug.cgi?id=2544477
https://bugzilla.redhat.com/show_bug.cgi?id=2544477
https://github.com/verdammelt/tnef
https://github.com/verdammelt/tnef