{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:struktur:libde265:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.1.0"
              }
            ],
            "source": [
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "f0e5137ee10af674dcb5ac8ed5d02f5a102225af"
            },
            {
              "fixed": "8a1b5cf212f78e1c77cb46eb5d56e492a9336eb8"
            }
          ],
          "repo": "https://github.com/strukturag/libde265",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-vv8h-932h-7r86"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-190"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49346.json"
  },
  "details": "libde265 is an open source implementation of the h.265 video codec. Prior to version 1.1.0, a crafted H.265 bitstream with large SPS dimensions and 16-bit bit depth causes a signed integer overflow in `de265_image_get_buffer()` (`libde265/image.cc:128`). The overflow wraps the plane allocation size to a small value (~1 KB), but the subsequent `fill_image()` call computes the real size using `size_t`, writing ~4 GB into the undersized heap buffer. Version 1.1.0 patches the issue.",
  "id": "CVE-2026-49346",
  "modified": "2026-07-08T05:37:34.446248311Z",
  "published": "2026-06-19T20:12:14.958Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49346.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/strukturag/libde265/security/advisories/GHSA-vv8h-932h-7r86"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49346"
    },
    {
      "type": "FIX",
      "url": "https://github.com/strukturag/libde265/commit/8a1b5cf212f78e1c77cb46eb5d56e492a9336eb8"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "libde265 has a heap buffer overflow in de265_image_get_buffer via SPS dimension integer overflow"
}