{"id":"CVE-2026-65819","aliases":["AZL-95490","DEBIAN-CVE-2026-65819","EUVD-2026-54609","GHSA-8mcr-459q-5mx2","UBUNTU-CVE-2026-65819"],"status":"published","title":"gopacket: Multiple layer decoders panic on crafted packets (out-of-bounds/underflow) enabling unauthenticated remote DoS via DecodingLayerParser","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00361,"percentile":0.30193,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125","CWE-400"],"published":"2026-08-07T19:19:16Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Azure Linux:3","package":"telegraf","fixed_in":["1.31.0-31"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"telegraf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.31.0-31"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"golang-github-gopacket-gopacket","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0-1","1.2.0-1","1.2.0-2","1.3.0-1","1.3.0-2"]},{"source":"osv","ecosystem":"Debian:13","package":"golang-github-gopacket-gopacket","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-2"]},{"source":"osv","ecosystem":"Debian:14","package":"golang-github-gopacket-gopacket","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-2"]},{"source":"osv","ecosystem":"Debian:12","package":"gopacket","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.19-3","1.1.19-4","1.1.19-5","1.1.19-6","1.1.19-6.1","1.1.19-6.2"]},{"source":"osv","ecosystem":"Debian:13","package":"gopacket","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.19-6.2"]},{"source":"osv","ecosystem":"Debian:14","package":"gopacket","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.19-6.2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"golang-github-gopacket-gopacket","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0-1","1.2.0-1","1.2.0-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"golang-github-gopacket-gopacket","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"golang-github-gopacket-gopacket","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-2"]}],"products":[{"vendor":"gopacket","product":"gopacket"}],"references":[{"url":"https://github.com/gopacket/gopacket/security/advisories/GHSA-8mcr-459q-5mx2","tags":["x_refsource_CONFIRM","advisory","report"]},{"url":"https://github.com/gopacket/gopacket/commit/210f25fb9b3ca1af2eb649936f78ad6991b6c9c5","tags":["x_refsource_MISC","fix","report"]},{"url":"https://github.com/gopacket/gopacket/releases/tag/v1.7.0","tags":["x_refsource_MISC","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-65819","tags":["web","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/65xxx/CVE-2026-65819.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-65819","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-65819","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-65819","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-65819","title":"gopacket: Multiple layer decoders panic on crafted packets (out-of-bounds/underflow) enabling unauthenticated remote DoS via DecodingLayerParser","description":"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.","status":"published","published":"2026-08-07T19:19:16.032Z","modified":"2026-08-11T01:07:57.373Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-125","CWE-400"],"updated_at":"2026-11-02T13:37:02.780526Z"}],"euvd":[{"id":"EUVD-2026-54609","description":"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.","status":"published","published":"2026-08-07T19:19:16Z","modified":"2026-08-11T01:07:57Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:02:00.742322Z"}],"nvd":[{"id":"CVE-2026-65819","description":"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.","status":"published","published":"2026-08-07T20:16:52.603Z","modified":"2026-09-09T21:02:22.66Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-125","CWE-400"],"updated_at":"2026-11-02T14:12:35.743275Z"}],"osv":[{"id":"CVE-2026-65819","title":"gopacket: Multiple layer decoders panic on crafted packets (out-of-bounds/underflow) enabling unauthenticated remote DoS via DecodingLayerParser","description":"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.","status":"published","published":"2026-08-07T19:19:16.032Z","modified":"2026-10-28T02:30:33.598047994Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-125","CWE-400"],"updated_at":"2026-11-02T15:45:14.46177Z"},{"id":"DEBIAN-CVE-2026-65819","description":"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.","status":"published","published":"2026-08-07T20:16:52.603Z","modified":"2026-10-01T03:03:33.009064201Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:58.699079Z"},{"id":"UBUNTU-CVE-2026-65819","description":"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.","status":"published","published":"2026-08-07T20:16:00Z","modified":"2026-10-17T12:56:23.986655623Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:53.710209Z"},{"id":"AZL-95490","title":"CVE-2026-65819 affecting package telegraf for versions less than 1.31.0-31","description":"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.","status":"published","published":"2026-08-07T20:16:52Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:26.077208Z"}]}}