CVE-2024-56431

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/25/2024

Last Modified4/25/2025

Sourcenvd

Honeypot Sightings0

Affected Products

xiph:theora

Weaknesses (CWE)

CWE-863

References

https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC(cve@mitre.org)

https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193(cve@mitre.org)

https://github.com/xiph/theora/issues/17#issuecomment-2480630603(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2025/04/25/6(cve@mitre.org)

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)

IOC Correlations

No correlations recorded

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