{"id":"USN-8824-1","summary":"libpcap vulnerability","details":"It was discovered that libpcap did not properly validate BPF instructions\nin some situation. An attacker could possibly use this issue to perform out\nof bound memory operations.","modified":"2026-09-25T17:57:55.904842500Z","published":"2026-09-25T08:50:02Z","related":["UBUNTU-CVE-2026-0799"],"upstream":["CVE-2026-0799","UBUNTU-CVE-2026-0799"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8824-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-0799"}],"affected":[{"package":{"name":"libpcap","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libpcap?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.3-2ubuntu0.1+esm1"}]}],"versions":["1.4.0-2","1.5.1-1","1.5.2-1","1.5.3-1","1.5.3-2","1.5.3-2ubuntu0.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"libpcap0.8","binary_version":"1.5.3-2ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-0799"}]}}},{"package":{"name":"libpcap","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libpcap?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.4-2ubuntu0.1+esm1"}]}],"versions":["1.7.4-1","1.7.4-2","1.7.4-2ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.7.4-2ubuntu0.1+esm1","binary_name":"libpcap0.8"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-0799"}]}}},{"package":{"name":"libpcap","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libpcap?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.1-6ubuntu1.18.04.2+esm1"}]}],"versions":["1.8.1-5ubuntu1","1.8.1-6ubuntu1","1.8.1-6ubuntu1.18.04.1","1.8.1-6ubuntu1.18.04.2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libpcap0.8","binary_version":"1.8.1-6ubuntu1.18.04.2+esm1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2026-0799","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json"}},{"package":{"name":"libpcap","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libpcap?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.1-3ubuntu1.20.04.1+esm1"}]}],"versions":["1.9.1-2","1.9.1-3","1.9.1-3ubuntu1.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libpcap0.8","binary_version":"1.9.1-3ubuntu1.20.04.1+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"id":"CVE-2026-0799","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json"}},{"package":{"name":"libpcap","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libpcap?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.1-4ubuntu1.22.04.2"}]}],"versions":["1.10.0-2build1","1.10.1-4","1.10.1-4build1","1.10.1-4ubuntu1.22.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libpcap0.8","binary_version":"1.10.1-4ubuntu1.22.04.2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2026-0799","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json"}},{"package":{"name":"libpcap","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libpcap?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.4-4.1ubuntu3.1"}]}],"versions":["1.10.4-4","1.10.4-4ubuntu3","1.10.4-4.1ubuntu2","1.10.4-4.1ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_name":"libpcap0.8t64","binary_version":"1.10.4-4.1ubuntu3.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-0799","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8824-1.json"}},{"package":{"name":"libpcap","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libpcap?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.6-1ubuntu1.1"}]}],"versions":["1.10.5-2ubuntu2","1.10.5-2ubuntu3","1.10.6-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.10.6-1ubuntu1.1","binary_name":"libpcap0.8t64"}],"availability":"No subscription 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