{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.14.5"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "5b85a6bf9ca8924144bd3026b17355638a6b7430"
            }
          ],
          "repo": "https://github.com/l-smash/l-smash",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-415"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110599.json"
  },
  "details": "L-SMASH through 2.14.5 contains a double free vulnerability in hevc_setup_first_summary() and h264_setup_first_summary() in importer/nalu_imp.c that frees borrowed codec-specific objects on error paths. Attackers can supply a crafted Annex-B elementary stream lacking a parseable SPS to lsmash_read_file() or the boxdumper, remuxer, or muxer tools, causing use-after-free, heap corruption, and crashes.",
  "id": "CVE-2026-110599",
  "modified": "2026-10-15T02:31:16.574349183Z",
  "published": "2026-10-14T14:16:41.692Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110599.json"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/l-smash/l-smash"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.c#L1356-L1378"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.c#L697-L715"
    },
    {
      "type": "EVIDENCE",
      "url": "https://hackmd.io/@haind-pwn/cve-2016-20099-2026-110599-l-smash-hevc-importer-double-free"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackmd.io/@haind-pwn/l-smash-hevc-importer-double-free"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110599"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/l-smash-through-2.14.5-double-free-in-hevc-and-h-264-importer-probe"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "L-SMASH through 2.14.5 Double Free in HEVC and H.264 Importer Probe"
}