CVEvulnerability
CVE-2024-56431
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2024-12-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-863
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 configurations
• xiph theora (< 1.2.0)
Related
Weakness · CWE (1)
- CWE-863 Incorrect Authorization weakness
References
- https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC Exploit
- https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193 Product
- https://github.com/xiph/theora/issues/17#issuecomment-2480630603 Issue Tracking
- https://www.openwall.com/lists/oss-security/2025/04/25/6 www.openwall.com
- http://www.openwall.com/lists/oss-security/2025/04/25/4 www.openwall.com
- http://www.openwall.com/lists/oss-security/2025/04/25/6 www.openwall.com