9.8

CVE-2024-56431: xiph theora Incorrect Authorization

CVSS: 9.8v3.1CriticalModified
AliasesSUSE-SU-2025:1287-1SUSE-SU-2025:1288-1SUSE-SU-2025:1340-1
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.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.84%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 25-12-2024
    PublishedVulnerability first disclosed.
  2. 07-05-2025
    Last 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 version

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 score
1.84%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Libtheora Cve 2024 56431 Poc

    Maturity: poc

Weaknesses

CWE · root cause

Affected 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

5 vendors · 20 products

References

18 links
Show all 18 references