CVE-2024-56431
9.8CRITICALoc_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 impac
Published: 12/25/2024Updated: 4/25/2025
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.
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Affected Products
xiphtheora
References
- https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoCExploit
- https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193Product
- https://github.com/xiph/theora/issues/17#issuecomment-2480630603Issue Tracking
- https://www.openwall.com/lists/oss-security/2025/04/25/6
- http://www.openwall.com/lists/oss-security/2025/04/25/4
- http://www.openwall.com/lists/oss-security/2025/04/25/6