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

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact total

Affected Vendors & Products

No data.

No data.

No data.

References
Link Providers
https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC cve-icon cve-icon cve-icon
https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193 cve-icon cve-icon cve-icon
https://github.com/xiph/theora/issues/17#issuecomment-2480630603 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2024-56431 cve-icon
https://www.cve.org/CVERecord?id=CVE-2024-56431 cve-icon
History

Mon, 24 Mar 2025 16:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-863
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

 cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Tue, 18 Feb 2025 22:45:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

 cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

Tue, 31 Dec 2024 19:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

 ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Thu, 26 Dec 2024 01:15:00 +0000

Type Values Removed Values Added
Title libtheora: incorrect bitwise shift in huffdec.c
Weaknesses CWE-1335
References
Metrics threat_severity

None

 cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

threat_severity

Low

Wed, 25 Dec 2024 17:15:00 +0000

Type Values Removed Values Added
Description oc_huff_tree_unpack in huffdec.c in libtheora in Theora through 1.0 7180717 has an invalid negative left shift.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-12-25T00:00:00.000Z

Updated: 2025-03-24T15:48:47.663Z

Reserved: 2024-12-24T00:00:00.000Z

Link: CVE-2024-56431

cve-icon Vulnrichment

Updated: 2024-12-31T18:44:57.512Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2024-12-25T17:15:05.510

Modified: 2025-03-24T16:15:20.283

Link: CVE-2024-56431

cve-icon Redhat

Severity : Low

Publid Date: 2024-12-25T00:00:00Z

Links: CVE-2024-56431 - Bugzilla