{"id":"UBUNTU-CVE-2026-65819","details":"gopacket provides packet processing capabilities for Go. Through version 1.7.0, multiple layer decoders use attacker-controlled lengths, counts, or offsets before validating them against packet buffers, allowing a crafted packet decoded through DecodingLayerParser or DecodeFromBytes to trigger an unrecovered panic and remotely deny service.  A patch commit is available at 210f25f.","modified":"2026-08-13T00:13:01Z","published":"2026-08-07T20:16:00Z","upstream":["CVE-2026-65819"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-65819"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-65819"},{"type":"REPORT","url":"https://github.com/gopacket/gopacket/commit/210f25fb9b3ca1af2eb649936f78ad6991b6c9c5"},{"type":"REPORT","url":"https://github.com/gopacket/gopacket/releases/tag/v1.7.0"},{"type":"REPORT","url":"https://github.com/gopacket/gopacket/security/advisories/GHSA-8mcr-459q-5mx2"}],"affected":[{"package":{"name":"golang-github-gopacket-gopacket","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/golang-github-gopacket-gopacket?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0-1","1.2.0-1","1.2.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-gopacket-gopacket-dev","binary_version":"1.2.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-65819.json"}},{"package":{"name":"golang-github-gopacket-gopacket","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/golang-github-gopacket-gopacket?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.0-2","binary_name":"golang-github-gopacket-gopacket-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-65819.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}