{
  "threat_severity" : "Important",
  "public_date" : "2026-02-16T14:13:23Z",
  "bugzilla" : {
    "description" : "libvpx: Heap buffer overflow in libvpx",
    "id" : "2440219",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2440219"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "status" : "verified"
  },
  "details" : [ "Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.", "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Heap buffer overflow in libvpx." ],
  "statement" : "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "release_date" : "2026-02-25T00:00:00Z",
    "advisory" : "RHSA-2026:3361",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10.1",
    "package" : "firefox-0:140.8.0-2.el10_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3517",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10.1",
    "package" : "thunderbird-0:140.8.0-2.el10_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "release_date" : "2026-03-16T00:00:00Z",
    "advisory" : "RHSA-2026:4629",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10.1",
    "package" : "libvpx-0:1.14.1-6.el10_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10.0 Extended Update Support",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:3976",
    "cpe" : "cpe:/o:redhat:enterprise_linux_eus:10.0",
    "package" : "firefox-0:140.8.0-2.el10_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10.0 Extended Update Support",
    "release_date" : "2026-03-11T00:00:00Z",
    "advisory" : "RHSA-2026:4260",
    "cpe" : "cpe:/o:redhat:enterprise_linux_eus:10.0",
    "package" : "thunderbird-0:140.8.0-2.el10_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10.0 Extended Update Support",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5227",
    "cpe" : "cpe:/o:redhat:enterprise_linux_eus:10.0",
    "package" : "libvpx-0:1.14.1-3.el10_0.1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:3984",
    "cpe" : "cpe:/o:redhat:rhel_els:7",
    "package" : "firefox-0:140.8.0-2.el7_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5320",
    "cpe" : "cpe:/o:redhat:rhel_els:7",
    "package" : "libvpx-0:1.3.0-8.el7_9.3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2026-02-25T00:00:00Z",
    "advisory" : "RHSA-2026:3338",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "firefox-0:140.8.0-2.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3515",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "thunderbird-0:140.8.0-1.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:3967",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "libvpx-0:1.7.0-13.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Advanced Update Support",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3492",
    "cpe" : "cpe:/a:redhat:rhel_aus:8.2",
    "package" : "firefox-0:140.8.0-2.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Advanced Update Support",
    "release_date" : "2026-03-12T00:00:00Z",
    "advisory" : "RHSA-2026:4432",
    "cpe" : "cpe:/a:redhat:rhel_aus:8.2",
    "package" : "thunderbird-0:140.8.0-1.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Advanced Update Support",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5228",
    "cpe" : "cpe:/a:redhat:rhel_aus:8.2",
    "package" : "libvpx-0:1.7.0-8.el8_2.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3491",
    "cpe" : "cpe:/a:redhat:rhel_aus:8.4",
    "package" : "firefox-0:140.8.0-2.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:3980",
    "cpe" : "cpe:/a:redhat:rhel_aus:8.4",
    "package" : "thunderbird-0:140.8.0-2.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5323",
    "cpe" : "cpe:/a:redhat:rhel_aus:8.4",
    "package" : "libvpx-0:1.7.0-10.el8_4.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3491",
    "cpe" : "cpe:/a:redhat:rhel_eus_long_life:8.4",
    "package" : "firefox-0:140.8.0-2.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:3980",
    "cpe" : "cpe:/a:redhat:rhel_eus_long_life:8.4",
    "package" : "thunderbird-0:140.8.0-2.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5323",
    "cpe" : "cpe:/a:redhat:rhel_eus_long_life:8.4",
    "package" : "libvpx-0:1.7.0-10.el8_4.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3495",
    "cpe" : "cpe:/a:redhat:rhel_aus:8.6",
    "package" : "firefox-0:140.8.0-2.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:3979",
    "cpe" : "cpe:/a:redhat:rhel_aus:8.6",
    "package" : "thunderbird-0:140.8.0-1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5229",
    "cpe" : "cpe:/a:redhat:rhel_aus:8.6",
    "package" : "libvpx-0:1.7.0-10.el8_6.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3495",
    "cpe" : "cpe:/a:redhat:rhel_tus:8.6",
    "package" : "firefox-0:140.8.0-2.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:3979",
    "cpe" : "cpe:/a:redhat:rhel_tus:8.6",
    "package" : "thunderbird-0:140.8.0-1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5229",
    "cpe" : "cpe:/a:redhat:rhel_tus:8.6",
    "package" : "libvpx-0:1.7.0-10.el8_6.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3495",
    "cpe" : "cpe:/a:redhat:rhel_e4s:8.6",
    "package" : "firefox-0:140.8.0-2.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:3979",
    "cpe" : "cpe:/a:redhat:rhel_e4s:8.6",
    "package" : "thunderbird-0:140.8.0-1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5229",
    "cpe" : "cpe:/a:redhat:rhel_e4s:8.6",
    "package" : "libvpx-0:1.7.0-10.el8_6.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3494",
    "cpe" : "cpe:/a:redhat:rhel_tus:8.8",
    "package" : "firefox-0:140.8.0-2.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:4022",
    "cpe" : "cpe:/a:redhat:rhel_tus:8.8",
    "package" : "thunderbird-0:140.8.0-1.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5230",
    "cpe" : "cpe:/a:redhat:rhel_tus:8.8",
    "package" : "libvpx-0:1.7.0-10.el8_8.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3494",
    "cpe" : "cpe:/a:redhat:rhel_e4s:8.8",
    "package" : "firefox-0:140.8.0-2.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:4022",
    "cpe" : "cpe:/a:redhat:rhel_e4s:8.8",
    "package" : "thunderbird-0:140.8.0-1.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5230",
    "cpe" : "cpe:/a:redhat:rhel_e4s:8.8",
    "package" : "libvpx-0:1.7.0-10.el8_8.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2026-02-25T00:00:00Z",
    "advisory" : "RHSA-2026:3339",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "firefox-0:140.8.0-2.el9_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3516",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "thunderbird-0:140.8.0-1.el9_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2026-03-12T00:00:00Z",
    "advisory" : "RHSA-2026:4447",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "libvpx-0:1.9.0-10.el9_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3493",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.0",
    "package" : "firefox-0:140.8.0-2.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:3983",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.0",
    "package" : "thunderbird-0:140.8.0-1.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5326",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.0",
    "package" : "libvpx-0:1.9.0-7.el9_0.3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:3978",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.2",
    "package" : "thunderbird-0:140.8.0-1.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
    "release_date" : "2026-03-10T00:00:00Z",
    "advisory" : "RHSA-2026:4152",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.2",
    "package" : "firefox-0:140.8.0-2.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5319",
    "cpe" : "cpe:/a:redhat:rhel_e4s:9.2",
    "package" : "libvpx-0:1.9.0-7.el9_2.3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.4 Extended Update Support",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3496",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.4",
    "package" : "firefox-0:140.8.0-2.el9_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.4 Extended Update Support",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:3981",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.4",
    "package" : "thunderbird-0:140.8.0-1.el9_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.4 Extended Update Support",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5324",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.4",
    "package" : "libvpx-0:1.9.0-7.el9_4.3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.6 Extended Update Support",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3497",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.6",
    "package" : "firefox-0:140.8.0-2.el9_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.6 Extended Update Support",
    "release_date" : "2026-03-09T00:00:00Z",
    "advisory" : "RHSA-2026:3982",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.6",
    "package" : "thunderbird-0:140.8.0-1.el9_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.6 Extended Update Support",
    "release_date" : "2026-03-23T00:00:00Z",
    "advisory" : "RHSA-2026:5231",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.6",
    "package" : "libvpx-0:1.9.0-9.el9_6.1"
  }, {
    "product_name" : "Red Hat AI Inference Server 3.3",
    "release_date" : "2026-05-12T00:00:00Z",
    "advisory" : "RHSA-2026:16174",
    "cpe" : "cpe:/a:redhat:ai_inference_server:3.3::el9",
    "package" : "rhaiis/vllm-spyre-rhel9:1778244546"
  }, {
    "product_name" : "Red Hat AI Inference Server 3.3",
    "release_date" : "2026-04-17T00:00:00Z",
    "advisory" : "RHSA-2026:8746",
    "cpe" : "cpe:/a:redhat:ai_inference_server:3.3::el9",
    "package" : "rhaiis/vllm-cuda-rhel9:1775680192"
  }, {
    "product_name" : "Red Hat AI Inference Server 3.3",
    "release_date" : "2026-04-17T00:00:00Z",
    "advisory" : "RHSA-2026:8747",
    "cpe" : "cpe:/a:redhat:ai_inference_server:3.3::el9",
    "package" : "rhaiis/vllm-rocm-rhel9:1775680262"
  }, {
    "product_name" : "Red Hat AI Inference Server 3.3",
    "release_date" : "2026-04-17T00:00:00Z",
    "advisory" : "RHSA-2026:8748",
    "cpe" : "cpe:/a:redhat:ai_inference_server:3.3::el9",
    "package" : "rhaiis/model-opt-cuda-rhel9:1775749857"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "rhel10/firefox-flatpak",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "firefox",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "libvpx",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-2447\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-2447\nhttps://bugzilla.mozilla.org/show_bug.cgi?id=2014390\nhttps://www.mozilla.org/security/advisories/mfsa2026-10/" ],
  "name" : "CVE-2026-2447",
  "mitigation" : {
    "value" : "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
    "lang" : "en:us"
  },
  "csaw" : false
}