ubuntu-cve-2024-56431
Vulnerability from osv_ubuntu
Published
2024-12-25 17:15
Modified
2025-07-16 05:20
Summary
Details

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.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libtheora-bin",
            "binary_version": "1.2.0~alpha1+dfsg-6"
          },
          {
            "binary_name": "libtheora-bin-dbgsym",
            "binary_version": "1.2.0~alpha1+dfsg-6"
          },
          {
            "binary_name": "libtheora-dev",
            "binary_version": "1.2.0~alpha1+dfsg-6"
          },
          {
            "binary_name": "libtheora-doc",
            "binary_version": "1.2.0~alpha1+dfsg-6"
          },
          {
            "binary_name": "libtheora0",
            "binary_version": "1.2.0~alpha1+dfsg-6"
          },
          {
            "binary_name": "libtheora0-dbgsym",
            "binary_version": "1.2.0~alpha1+dfsg-6"
          },
          {
            "binary_name": "libtheoradec1",
            "binary_version": "1.2.0~alpha1+dfsg-6"
          },
          {
            "binary_name": "libtheoradec1-dbgsym",
            "binary_version": "1.2.0~alpha1+dfsg-6"
          },
          {
            "binary_name": "libtheoraenc1",
            "binary_version": "1.2.0~alpha1+dfsg-6"
          },
          {
            "binary_name": "libtheoraenc1-dbgsym",
            "binary_version": "1.2.0~alpha1+dfsg-6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.04",
        "name": "libtheora",
        "purl": "pkg:deb/ubuntu/libtheora@1.2.0~alpha1+dfsg-6?arch=source\u0026distro=plucky"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.2.0~alpha1+dfsg-6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.1+dfsg.1-17",
        "1.2.0~alpha1+dfsg-5"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2024-56431",
  "modified": "2025-07-16T05:20:49Z",
  "published": "2024-12-25T17:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-56431"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-56431"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/advisories/GHSA-8xp8-gmmj-xc8w"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/xiph/theora/issues/17#issuecomment-2480630603"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-56431"
  ],
  "withdrawn": "2025-07-18T17:01:49Z"
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.