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UBUNTU-CVE-2026-54241 (CVE-2026-54241)

Vulnerability from osv_ubuntu – Published: 2026-07-01 00:00 – Updated: 2026-09-16 11:36 – Source website
VLAI
Details

libde265 is an open source implementation of the h.265 video codec. Versions prior to 1.1.1 use signed 32-bit arithmetic to calculate the sample adaptive offset input-buffer size, allowing a crafted HEVC stream with large dimensions and 16-bit luma samples to cause an integer overflow, an undersized allocation, and an out-of-bounds heap read that may expose heap data in decoded output or crash the decoder. Version 1.1.1 contains a patch.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libde265-0",
            "binary_version": "1.0.2-2ubuntu0.16.04.1~esm6"
          },
          {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.2-2ubuntu0.16.04.1~esm6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "libde265",
        "purl": "pkg:deb/ubuntu/libde265@1.0.2-2ubuntu0.16.04.1~esm6?arch=source\u0026distro=esm-apps-legacy/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.2-2ubuntu0.16.04.1~esm6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.2-1build1",
        "1.0.2-2",
        "1.0.2-2ubuntu0.16.04.1~esm1",
        "1.0.2-2ubuntu0.16.04.1~esm2",
        "1.0.2-2ubuntu0.16.04.1~esm3",
        "1.0.2-2ubuntu0.16.04.1~esm4",
        "1.0.2-2ubuntu0.16.04.1~esm5"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libde265-0",
            "binary_version": "1.0.2-2ubuntu0.18.04.1~esm6"
          },
          {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.2-2ubuntu0.18.04.1~esm6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "libde265",
        "purl": "pkg:deb/ubuntu/libde265@1.0.2-2ubuntu0.18.04.1~esm6?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.2-2ubuntu0.18.04.1~esm6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.2-2build1",
        "1.0.2-2ubuntu0.18.04.1~esm1",
        "1.0.2-2ubuntu0.18.04.1~esm2",
        "1.0.2-2ubuntu0.18.04.1~esm3",
        "1.0.2-2ubuntu0.18.04.1~esm4",
        "1.0.2-2ubuntu0.18.04.1~esm5"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libde265-0",
            "binary_version": "1.0.4-1ubuntu0.4+esm2"
          },
          {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.4-1ubuntu0.4+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "libde265",
        "purl": "pkg:deb/ubuntu/libde265@1.0.4-1ubuntu0.4+esm2?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.4-1ubuntu0.4+esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.3-1build1",
        "1.0.4-1",
        "1.0.4-1build1",
        "1.0.4-1ubuntu0.1",
        "1.0.4-1ubuntu0.2",
        "1.0.4-1ubuntu0.3",
        "1.0.4-1ubuntu0.4",
        "1.0.4-1ubuntu0.4+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libde265-0",
            "binary_version": "1.0.8-1ubuntu0.3+esm2"
          },
          {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.8-1ubuntu0.3+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "libde265",
        "purl": "pkg:deb/ubuntu/libde265@1.0.8-1ubuntu0.3+esm2?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.8-1ubuntu0.3+esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.8-1",
        "1.0.8-1ubuntu0.1",
        "1.0.8-1ubuntu0.2",
        "1.0.8-1ubuntu0.3",
        "1.0.8-1ubuntu0.3+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libde265-0",
            "binary_version": "1.0.15-1ubuntu0.1"
          },
          {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.15-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "libde265",
        "purl": "pkg:deb/ubuntu/libde265@1.0.15-1ubuntu0.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.15-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.12-2",
        "1.0.13-1",
        "1.0.15-1",
        "1.0.15-1build1",
        "1.0.15-1build2",
        "1.0.15-1build3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libde265-0",
            "binary_version": "1.0.16-1"
          },
          {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.16-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "libde265",
        "purl": "pkg:deb/ubuntu/libde265@1.0.16-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.15-1build5",
        "1.0.16-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libde265-0",
            "binary_version": "1.0.16-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.16-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:26.04:LTS",
        "name": "libde265",
        "purl": "pkg:deb/ubuntu/libde265@1.0.16-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.16-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.16-1",
        "1.0.16-1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "libde265 is an open source implementation of the h.265 video codec. Versions prior to 1.1.1 use signed 32-bit arithmetic to calculate the sample adaptive offset input-buffer size, allowing a crafted HEVC stream with large dimensions and 16-bit luma samples to cause an integer overflow, an undersized allocation, and an out-of-bounds heap read that may expose heap data in decoded output or crash the decoder. Version 1.1.1 contains a patch.",
  "id": "UBUNTU-CVE-2026-54241",
  "modified": "2026-09-16T11:36:38Z",
  "published": "2026-07-01T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-54241"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-54241"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/strukturag/libde265/security/advisories/GHSA-j2qq-x2xq-g9wr"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8573-1"
    }
  ],
  "related": [
    "USN-8573-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-54241"
  ]
}



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