{"id":"CVE-2025-43973","aliases":["DEBIAN-CVE-2025-43973","EUVD-2025-12347","GHSA-c5jg-wr5v-2wp2","GO-2025-3633","UBUNTU-CVE-2025-43973","USN-7661-1","openSUSE-SU-2025:15017-1"],"status":"published","title":"GoBGP does not verify that the input length","description":"An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00573,"percentile":0.47631,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-193"],"published":"2025-04-21T00:00:00Z","modified":"2026-10-28T02:30:58Z","fixes":[{"ecosystem":"Go","package":"github.com/osrg/gobgp","fixed_in":["3.35.0"],"sources":["ghsa"]},{"ecosystem":"Go","package":"github.com/osrg/gobgp/v3","fixed_in":["3.35.0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:13","package":"gobgp","fixed_in":["3.35.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"gobgp","fixed_in":["3.35.0-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"gobgp","fixed_in":["1.29-1ubuntu0.1+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:20.04:LTS","package":"gobgp","fixed_in":["2.12.0-1ubuntu0.1~esm2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:22.04:LTS","package":"gobgp","fixed_in":["2.25.0-3ubuntu0.1+esm2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:24.04:LTS","package":"gobgp","fixed_in":["3.23.0-1ubuntu0.3+esm2"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/osrg/gobgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.35.0"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/osrg/gobgp/v3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.35.0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"gobgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.10.0-1","3.16.0-1","3.19.0-1","3.21.0-1","3.23.0-1","3.25.0-1","3.27.0-1","3.28.0-1","3.29.0-1","3.30.0-1","3.31.0-1","3.32.0-1","3.33.0-1","3.35.0-1","3.36.0-1","3.36.0-2","4.3.0-1","4.4.0-1","4.5.0-1","4.5.0-1~bpo13+1","4.6.0-1","4.6.0-2","4.6.0-2~bpo13+1","4.7.0-1","4.7.0-1~bpo13+1","4.8.0-1","4.8.0-2~exp1"]},{"source":"osv","ecosystem":"Debian:13","package":"gobgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.35.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"gobgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.35.0-1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/osrg/gobgp","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/osrg/gobgp/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.35.0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/osrg/gobgp","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/osrg/gobgp/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.35.0"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"gobgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.29-1ubuntu0.1+esm1"}]}],"versions":["1.15-1","1.29-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"gobgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-1ubuntu0.1~esm2"}]}],"versions":["1.33-1","2.11.0-1","2.12.0-1","2.12.0-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"gobgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.25.0-3ubuntu0.1+esm2"}]}],"versions":["2.25.0-2","2.25.0-3","2.25.0-3build1","2.25.0-3ubuntu0.1","2.25.0-3ubuntu0.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"gobgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.23.0-1ubuntu0.3+esm2"}]}],"versions":["3.16.0-1build1","3.19.0-1","3.21.0-1","3.23.0-1","3.23.0-1ubuntu0.1","3.23.0-1ubuntu0.2","3.23.0-1ubuntu0.2+esm1","3.23.0-1ubuntu0.3","3.23.0-1ubuntu0.3+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"gobgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.29-1ubuntu0.1+esm1"}]}],"versions":["1.15-1","1.29-1"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"gobgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-1ubuntu0.1~esm2"}]}],"versions":["1.33-1","2.11.0-1","2.12.0-1","2.12.0-1ubuntu0.1~esm1"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"gobgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.25.0-3ubuntu0.1+esm2"}]}],"versions":["2.25.0-2","2.25.0-3","2.25.0-3build1","2.25.0-3ubuntu0.1","2.25.0-3ubuntu0.1+esm1"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"gobgp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.23.0-1ubuntu0.3+esm2"}]}],"versions":["3.16.0-1build1","3.19.0-1","3.21.0-1","3.23.0-1","3.23.0-1ubuntu0.1","3.23.0-1ubuntu0.2","3.23.0-1ubuntu0.2+esm1","3.23.0-1ubuntu0.3","3.23.0-1ubuntu0.3+esm1"],"bundled":5},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"govulncheck-vulndb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.20250422T181640-1.1"}]}],"bundled":23}],"products":[{"vendor":"gobgp","product":"gobgp"},{"vendor":"osrg","product":"gobgp"}],"references":[{"url":"https://github.com/osrg/gobgp/compare/v3.34.0...v3.35.0","tags":["Patch","Release Notes","web","report"]},{"url":"https://github.com/osrg/gobgp/commit/5693c58a4815cc6327b8d3b6980f0e5aced28abe","tags":["Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43973","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-c5jg-wr5v-2wp2","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/43xxx/CVE-2025-43973.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-43973","tags":["advisory"]},{"url":"https://github.com/osrg/gobgp","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2025-43973","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-43973","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-7661-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-46565","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-43970","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-43971","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-43972","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/XCF7AZBKQYAQXK32J6F54H6NREFBK2V7/","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15119","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-1386","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-2424","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24358","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-2475","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24839","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-24866","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-2564","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27538","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27571","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27936","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-30206","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-31363","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-32093","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-32431","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-32445","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-32793","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-32963","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-3801","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-43970","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-43971","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-43972","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-43973","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2025-43973","description":"An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.","status":"published","published":"2025-04-21T00:00:00Z","modified":"2025-04-21T01:52:59.432Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:32:26.964524Z"}],"euvd":[{"id":"EUVD-2025-12347","description":"An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.","status":"published","published":"2025-04-21T00:00:00Z","modified":"2025-04-21T01:52:59Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:19.650141Z"}],"ghsa":[{"id":"GHSA-c5jg-wr5v-2wp2","title":"GoBGP does not verify that the input length","description":"An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.","status":"published","published":"2025-04-21T03:30:19Z","modified":"2025-04-21T21:55:39Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:38:40.628275Z"}],"nvd":[{"id":"CVE-2025-43973","description":"An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.","status":"published","published":"2025-04-21T01:15:45.67Z","modified":"2026-06-17T09:24:51.163Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:11:01.507281Z"}],"osv":[{"id":"CVE-2025-43973","description":"An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.","status":"published","published":"2025-04-21T00:00:00Z","modified":"2026-10-28T02:30:58.738256733Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T15:44:49.707645Z"},{"id":"DEBIAN-CVE-2025-43973","description":"An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.","status":"published","published":"2025-04-21T01:15:45.67Z","modified":"2026-09-01T20:05:52.635037297Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:47.378563Z"},{"id":"GHSA-c5jg-wr5v-2wp2","title":"GoBGP does not verify that the input length","description":"An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.","status":"published","published":"2025-04-21T03:30:19Z","modified":"2026-09-10T03:50:23.788825808Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T15:46:44.571161Z"},{"id":"UBUNTU-CVE-2025-43973","description":"An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.","status":"published","published":"2025-04-21T01:15:00Z","modified":"2026-02-04T02:55:16.552173Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"medium"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:55:50.31802Z"},{"id":"GO-2025-3633","title":"GoBGP does not verify that the input length in github.com/osrg/gobgp","description":"GoBGP does not verify that the input length in github.com/osrg/gobgp","status":"published","published":"2025-04-22T18:16:40Z","modified":"2026-02-04T03:44:03.789885Z","updated_at":"2026-11-02T15:47:01.728182Z"},{"id":"openSUSE-SU-2025:15017-1","title":"govulncheck-vulndb-0.0.20250422T181640-1.1 on GA media","description":"These are all security issues fixed in the govulncheck-vulndb-0.0.20250422T181640-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-04-23T00:00:00Z","modified":"2026-02-04T02:34:16.37387Z","updated_at":"2026-11-02T16:58:37.399567Z"},{"id":"USN-7661-1","title":"gobgp vulnerabilities","description":"It was discovered that GoBGP did not properly manage memory under\ncertain circumstances, which could lead to a buffer overflow. An\nattacker could possibly use this issue to cause a denial of service. This\nissue was only addressed in Ubuntu 22.04 LTS and Ubuntu 20.04 LTS.\n(CVE-2023-46565)\n\nIt was discovered that GoBGP did not properly verify the length of\ncertain inputs. An attacker could possibly use this issue to cause a\npanic resulting in a denial of service.\n(CVE-2025-43970, CVE-2025-43971, CVE-2025-43972, CVE-2025-43973)","status":"published","published":"2025-07-22T04:58:40Z","modified":"2026-04-27T18:11:40.269833Z","updated_at":"2026-11-02T16:58:21.91885Z"}]}}