{"id":"CVE-2026-89873","published":"2026-09-16T11:16:55.540","lastModified":"2026-09-16T15:18:14.330","description":"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.","cvssScore":7.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/30f85a7c59113a8844b276efc010085a34f912e9","tags":[]},{"url":"https://git.kernel.org/stable/c/796b5c6d4f1615d59d5d8fe5a38fae6bfdfe878e","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}