CVE-2024-56431: xiph theora Incorrect Authorization
CVSS: 9.8v3.1CriticalModified
AliasesSUSE-SU-2025:1287-1SUSE-SU-2025:1288-1SUSE-SU-2025:1340-1SUSE-SU-2025:1365-1openSUSE-SU-2025:0147-1UBUNTU-CVE-2024-56431DEBIAN-CVE-2024-56431openSUSE-SU-2025:15002-1openSUSE-SU-2025:15009-1
Published 25-12-2024Last modified 07-05-2025
Vulnerability summary
CVE-2024-56431 is a critical (CVSS 9.8) Incorrect Authorization vulnerability in xiph theora. EPSS estimates a 1.84% chance of exploitation in the next 30 days, higher than 78.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.84%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 25-12-2024PublishedVulnerability first disclosed.
- 07-05-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 4 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.84%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
-0.01 pp
From 1.85% on 21-09-2026
21-09-202621-10-2026
EPSS score1.84%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundLibtheora Cve 2024 56431 Poc
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Suse10 products
- mozjs102&distro=SUSE Package Hub 15 SP6< 102.15.1-bp156.3.3.1
- mozjs115&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP6< 115.4.0-150600.3.9.1
- mozjs52&distro=SUSE Linux Enterprise Module for Package Hub 15 SP6< 52.6.0-150000.3.6.1
- mozjs60&distro=SUSE Linux Enterprise Micro 5.1< 60.9.0-150200.6.3.1
- mozjs60&distro=SUSE Linux Enterprise Micro 5.2< 60.9.0-150200.6.3.1
Opensuse7 products
- mozjs102&distro=openSUSE Leap 15.6< 102.15.1-bp156.3.3.1
- mozjs115&distro=openSUSE Leap 15.6< 115.4.0-150600.3.9.1
- mozjs115&distro=openSUSE Tumbleweed< 115.15.0-5.1
- mozjs128&distro=openSUSE Tumbleweed< 128.9.0-2.1
- mozjs52&distro=openSUSE Leap 15.6< 52.6.0-150000.3.6.1
Debian1 product
- libtheora< 1.2.0~alpha1+dfsg-6
Ubuntu1 product
- libtheora< 1.2.0~alpha1+dfsg-6
Xiph1 product
- theora< 1.2.0
5 vendors · 20 products
References
18 linksShow all 18 references
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory