Is CVE-2024-56431 actively exploited?

No active exploitation of CVE-2024-56431 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2024-56431 be exploited remotely?

Yes. CVE-2024-56431 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2024-56431?

CVE-2024-56431 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2024-56431

CRITICAL

CVE-2024-56431

CWE-863Published: December 25, 2024· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2024-56431 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.