CVE-2024-56431

critical

Description

oc_huff_tree_unpack in huffdec.c in libtheora in Theora through 1.0 7180717 has an invalid negative left shift.

References

https://github.com/xiph/theora/issues/17#issuecomment-2480630603

https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193

https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC

Details

Source: Mitre, NVD

Published: 2024-12-25

Updated: 2025-02-18

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical