VULNERABILITY INTELLIGENCE

CVE-2024-56431

CVSS score9.8 CRITICAL

EPSS probability1.84%

CISA KEVNot currently listed

Published2024-12-25

Last modified2026-06-17

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.