CVE-2024-56431

Published: Dec 25, 2024Modified: Apr 25, 2025

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

oc_huff_tree_unpack in huffdec.c in libtheora in Theora through 1.0 7180717 has an invalid negative left shift. NOTE: this is disputed by third parties because there is no evidence of a security impact, e.g., an application would not crash.

Affected (1)

Products: Xiph: Theora

Xiph

1 product

Theora

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Xiph Theora	Before 1.2.0

Related CWEs

CWE-863

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (6)

https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC

Source: cve@mitre.org

Exploit

https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193

Source: cve@mitre.org

Product

https://github.com/xiph/theora/issues/17#issuecomment-2480630603

Source: cve@mitre.org

Issue Tracking

https://www.openwall.com/lists/oss-security/2025/04/25/6

Source: cve@mitre.org

http://www.openwall.com/lists/oss-security/2025/04/25/4

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.openwall.com/lists/oss-security/2025/04/25/6

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.