{"id":"CVE-2026-56920","title":"In s_decode_vui_param of fw_hevc_dec_header.c, there is a possible out-of-bounds write due to a logic error in the code","summary":"In s_decode_vui_param of fw_hevc_dec_header.c, there is a possible out-of-bounds write due to a logic error in the code. This could lead to remote code execution with no additional execution privileges needed. User interaction is not nee…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"google","product":"android","affected":["android"],"published":"2026-09-15","updated":"2026-09-21","sourceUpdated":"2026-09-21T17:18:58.923","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-56920","references":[{"url":"https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01","label":"dsap-vuln-management@google.com"}],"tags":["nvd","cve.org"],"epss":0.00284,"epssPercentile":0.21115,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-15T20:39:51.510529Z"},"ingestedAt":"2026-09-15T18:41:59.166Z","slug":"CVE-2026-56920","body":"## Overview\n\nIn s_decode_vui_param of fw_hevc_dec_header.c, there is a possible out-of-bounds write due to a logic error in the code. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.\n\n## Affected\n\n- `android`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":204602,"id":"CVE-2026-56920","ts":1789508724638,"field":"cvss","old":null,"new":"8.8"},{"seq":204601,"id":"CVE-2026-56920","ts":1789508724638,"field":"severity","old":"none","new":"high"}]}