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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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
http://www.openwall.com/lists/oss-security/2025/04/25/4
http://www.openwall.com/lists/oss-security/2025/04/25/6

Configurations

Configuration 1 (hide)

cpe:2.3:a:xiph:theora:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2024-12-25 17:15

Updated : 2025-04-25 20:15

NVD link : CVE-2024-56431

Mitre link : CVE-2024-56431

CVE.ORG link : CVE-2024-56431

JSON object : View

Products Affected

xiph

theora

CWE

CWE-863

Incorrect Authorization

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