{"id":"UBUNTU-CVE-2026-2447","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.","modified":"2026-09-16T14:01:49.852318277Z","published":"2026-02-16T15:18:00Z","related":["USN-8053-1"],"upstream":["CVE-2026-2447"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-2447"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-2447"},{"type":"REPORT","url":"https://www.mozilla.org/en-US/security/advisories/mfsa2026-10/"},{"type":"REPORT","url":"https://www.mozilla.org/en-US/security/advisories/mfsa2026-11/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8053-1"}],"affected":[{"package":{"name":"libvpx","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libvpx?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.0-2","1.3.0-1","1.3.0-2","1.3.0-2ubuntu0.1~esm1","1.3.0-2ubuntu0.1~esm2","1.3.0-2ubuntu0.1~esm3","1.3.0-2ubuntu0.1+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"libvpx1","binary_version":"1.3.0-2ubuntu0.1+esm3"},{"binary_version":"1.3.0-2ubuntu0.1+esm3","binary_name":"vpx-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2447.json"}},{"package":{"name":"libvpx","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libvpx?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.0-4","1.5.0-2","1.5.0-2ubuntu1","1.5.0-2ubuntu1.1","1.5.0-2ubuntu1.1+esm1","1.5.0-2ubuntu1.1+esm2","1.5.0-2ubuntu1.1+esm3","1.5.0-2ubuntu1.1+esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.5.0-2ubuntu1.1+esm4","binary_name":"libvpx3"},{"binary_name":"vpx-tools","binary_version":"1.5.0-2ubuntu1.1+esm4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2447.json"}},{"package":{"name":"libvpx","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libvpx?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.1-3","1.7.0-3","1.7.0-3ubuntu0.18.04.1","1.7.0-3ubuntu0.18.04.1+esm1","1.7.0-3ubuntu0.18.04.1+esm2","1.7.0-3ubuntu0.18.04.1+esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.7.0-3ubuntu0.18.04.1+esm3","binary_name":"libvpx5"},{"binary_version":"1.7.0-3ubuntu0.18.04.1+esm3","binary_name":"vpx-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2447.json"}},{"package":{"name":"libvpx","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libvpx?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.1-2","1.8.2-1","1.8.2-1build1","1.8.2-1ubuntu0.2","1.8.2-1ubuntu0.3","1.8.2-1ubuntu0.4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.8.2-1ubuntu0.4","binary_name":"libvpx6"},{"binary_name":"vpx-tools","binary_version":"1.8.2-1ubuntu0.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2447.json"}},{"package":{"name":"libvpx","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libvpx?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.0-2ubuntu2.5"}]}],"versions":["1.9.0-1ubuntu1","1.11.0-2ubuntu1","1.11.0-2ubuntu2","1.11.0-2ubuntu2.2","1.11.0-2ubuntu2.3","1.11.0-2ubuntu2.4"],"ecosystem_specific":{"binaries":[{"binary_name":"libvpx7","binary_version":"1.11.0-2ubuntu2.5"},{"binary_name":"vpx-tools","binary_version":"1.11.0-2ubuntu2.5"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2447.json"}},{"package":{"name":"thunderbird","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/thunderbird?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:91.1.2+build1-0ubuntu1","1:91.3.0+build2-0ubuntu1","1:91.3.1+build1-0ubuntu1","1:91.3.2+build1-0ubuntu1","1:91.4.0+build1.1-0ubuntu1","1:91.4.0+build2-0ubuntu1","1:91.5.0+build1-0ubuntu1","1:91.5.1+build1-0ubuntu1","1:91.6.1+build1-0ubuntu1","1:91.7.0+build1-0ubuntu1","1:91.7.0+build2-0ubuntu1","1:91.8.0+build2-0ubuntu1","1:91.9.1+build1-0ubuntu0.22.04.1","1:91.11.0+build2-0ubuntu0.22.04.1","1:102.2.2+build1-0ubuntu0.22.04.1","1:102.4.2+build2-0ubuntu0.22.04.1","1:102.7.1+build2-0ubuntu0.22.04.1","1:102.8.0+build2-0ubuntu0.22.04.1","1:102.9.0+build1-0ubuntu0.22.04.1","1:102.10.0+build2-0ubuntu0.22.04.1","1:102.11.0+build1-0ubuntu0.22.04.1","1:102.13.0+build1-0ubuntu0.22.04.1","1:102.15.0+build1-0ubuntu0.22.04.1","1:102.15.1+build1-0ubuntu0.22.04.1","1:115.3.1+build1-0ubuntu0.22.04.2","1:115.4.1+build1-0ubuntu0.22.04.1","1:115.5.0+build1-0ubuntu0.22.04.1","1:115.6.0+build2-0ubuntu0.22.04.1","1:115.8.1+build1-0ubuntu0.22.04.1","1:115.9.0+build1-0ubuntu0.22.04.1","1:115.10.1+build1-0ubuntu0.22.04.1","1:115.11.0+build2-0ubuntu0.22.04.1","1:115.12.0+build3-0ubuntu0.22.04.1","1:115.13.0+build5-0ubuntu0.22.04.1","1:115.15.0+build1-0ubuntu0.22.04.1","1:115.16.0+build2-0ubuntu0.22.04.1","1:115.18.0+build1-0ubuntu0.22.04.1","1:128.12.0+build1-0ubuntu0.22.04.1","1:140.7.1+build1-0ubuntu0.22.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"thunderbird","binary_version":"1:140.7.1+build1-0ubuntu0.22.04.1"},{"binary_version":"1:140.7.1+build1-0ubuntu0.22.04.1","binary_name":"thunderbird-gnome-support"},{"binary_name":"thunderbird-mozsymbols","binary_version":"1:140.7.1+build1-0ubuntu0.22.04.1"},{"binary_version":"1:140.7.1+build1-0ubuntu0.22.04.1","binary_name":"xul-ext-calendar-timezones"},{"binary_name":"xul-ext-gdata-provider","binary_version":"1:140.7.1+build1-0ubuntu0.22.04.1"},{"binary_name":"xul-ext-lightning","binary_version":"1:140.7.1+build1-0ubuntu0.22.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2447.json"}},{"package":{"name":"libvpx","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libvpx?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-1ubuntu2.3"}]}],"versions":["1.12.0-1ubuntu2","1.13.1-2ubuntu1","1.14.0-1ubuntu1","1.14.0-1ubuntu2","1.14.0-1ubuntu2.1","1.14.0-1ubuntu2.2"],"ecosystem_specific":{"binaries":[{"binary_name":"libvpx9","binary_version":"1.14.0-1ubuntu2.3"},{"binary_name":"vpx-tools","binary_version":"1.14.0-1ubuntu2.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2447.json"}},{"package":{"name":"libvpx","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libvpx?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.15.0-2.1ubuntu0.1"}]}],"versions":["1.15.0-2","1.15.0-2.1","1.15.0-2.1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libvpx9","binary_version":"1.15.0-2.1ubuntu0.1"},{"binary_name":"vpx-tools","binary_version":"1.15.0-2.1ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2447.json"}},{"package":{"name":"libvpx","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libvpx?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.0-2ubuntu1"}]}],"versions":["1.15.0-2.1build1","1.15.2-2","1.16.0-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libvpx12","binary_version":"1.16.0-2ubuntu1"},{"binary_name":"vpx-tools","binary_version":"1.16.0-2ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2447.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}