{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c9a59dc2acc72789d5c778af080d1e65af84862c"
            },
            {
              "fixed": "30f85a7c59113a8844b276efc010085a34f912e9"
            },
            {
              "fixed": "796b5c6d4f1615d59d5d8fe5a38fae6bfdfe878e"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.0.0"
            },
            {
              "fixed": "7.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89873.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-ctrls: validate HEVC EXT SPS RPS counts\n\nThe HEVC SPS control carries the short-term and long-term RPS counts\nthat decoder drivers use to walk the matching EXT SPS dynamic arrays.\nReject SPS values that exceed the HEVC limits of 64 short-term sets and\n32 long-term references so drivers cannot later index beyond those\ncontrols.\n\nAlso reject EXT SPS ST RPS entries whose negative or positive picture\ncounts exceed the 16-entry arrays, or whose combined delta-POC count\nexceeds the HEVC DPB maximum.",
  "id": "CVE-2026-89873",
  "modified": "2026-09-18T03:30:38.856060347Z",
  "published": "2026-09-16T10:31:41.341Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/30f85a7c59113a8844b276efc010085a34f912e9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/796b5c6d4f1615d59d5d8fe5a38fae6bfdfe878e"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89873.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89873"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "media: v4l2-ctrls: validate HEVC EXT SPS RPS counts"
}