Vulnerability Monitor

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CVE-2024-56431

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.

Published

2024-12-25T17:15:05.510

Last Modified

2025-04-25T20:15:38.220

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses

Type: Secondary
CWE-863

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	xiph	theora	< 1.2.0	Yes

References

https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC Exploit ([email protected])
https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193 Product ([email protected])
https://github.com/xiph/theora/issues/17#issuecomment-2480630603 Issue Tracking ([email protected])
https://www.openwall.com/lists/oss-security/2025/04/25/6 ([email protected])
http://www.openwall.com/lists/oss-security/2025/04/25/4 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2025/04/25/6 (af854a3a-2127-422b-91ae-364da2661108)