{
  "threat_severity" : "Moderate",
  "public_date" : "2026-04-16T01:33:37Z",
  "bugzilla" : {
    "description" : "FFmpeg: FFmpeg: Integer overflow and out-of-bounds write via CENC subsample data",
    "id" : "2458862",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2458862"
  },
  "cvss3" : {
    "cvss3_base_score" : "4.8",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
    "status" : "draft"
  },
  "cwe" : "CWE-787",
  "details" : [ "A flaw was found in FFmpeg. This vulnerability, stemming from an integer overflow and a subsequent out-of-bounds write during the processing of Common Encryption (CENC) subsample data, could allow a local attacker to potentially trigger information disclosure, data corruption, or a denial of service." ],
  "package_state" : [ {
    "product_name" : "Lightspeed Core",
    "fix_state" : "Affected",
    "package_name" : "ffmpeg",
    "cpe" : "cpe:/a:redhat:lightspeed_core"
  }, {
    "product_name" : "Lightspeed Core",
    "fix_state" : "Affected",
    "package_name" : "lightspeed-core/rag-tool-rhel9",
    "cpe" : "cpe:/a:redhat:lightspeed_core"
  }, {
    "product_name" : "Red Hat Enterprise Linux AI (RHEL AI) 3",
    "fix_state" : "Affected",
    "package_name" : "ffmpeg",
    "cpe" : "cpe:/a:redhat:enterprise_linux_ai:3"
  }, {
    "product_name" : "Red Hat Enterprise Linux AI (RHEL AI) 3",
    "fix_state" : "Affected",
    "package_name" : "rhelai3/bootc-aws-cuda-rhel9",
    "cpe" : "cpe:/a:redhat:enterprise_linux_ai:3"
  }, {
    "product_name" : "Red Hat Enterprise Linux AI (RHEL AI) 3",
    "fix_state" : "Affected",
    "package_name" : "rhelai3/bootc-azure-cuda-rhel9",
    "cpe" : "cpe:/a:redhat:enterprise_linux_ai:3"
  }, {
    "product_name" : "Red Hat Enterprise Linux AI (RHEL AI) 3",
    "fix_state" : "Affected",
    "package_name" : "rhelai3/bootc-azure-rocm-rhel9",
    "cpe" : "cpe:/a:redhat:enterprise_linux_ai:3"
  }, {
    "product_name" : "Red Hat Enterprise Linux AI (RHEL AI) 3",
    "fix_state" : "Affected",
    "package_name" : "rhelai3/bootc-cuda-rhel9",
    "cpe" : "cpe:/a:redhat:enterprise_linux_ai:3"
  }, {
    "product_name" : "Red Hat Enterprise Linux AI (RHEL AI) 3",
    "fix_state" : "Affected",
    "package_name" : "rhelai3/bootc-gcp-cuda-rhel9",
    "cpe" : "cpe:/a:redhat:enterprise_linux_ai:3"
  }, {
    "product_name" : "Red Hat Enterprise Linux AI (RHEL AI) 3",
    "fix_state" : "Affected",
    "package_name" : "rhelai3/bootc-rocm-rhel9",
    "cpe" : "cpe:/a:redhat:enterprise_linux_ai:3"
  }, {
    "product_name" : "Red Hat OpenShift AI (RHOAI)",
    "fix_state" : "Affected",
    "package_name" : "ffmpeg",
    "cpe" : "cpe:/a:redhat:openshift_ai"
  }, {
    "product_name" : "Red Hat OpenShift AI (RHOAI)",
    "fix_state" : "Affected",
    "package_name" : "rhoai/odh-vllm-gaudi-rhel9",
    "cpe" : "cpe:/a:redhat:openshift_ai"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-40962\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-40962\nhttps://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22348" ],
  "name" : "CVE-2026-40962",
  "csaw" : false
}