{"id":"USN-8348-1","summary":"gobgp vulnerabilities","details":"It was discovered that GoBGP incorrectly handled certain specially crafted\nBGP UPDATE messages. A remote attacker could possibly use this issue to\ncause GoBGP to crash, resulting in a denial of service. (CVE-2026-37461)\n\nYanlei Wang discovered that GoBGP incorrectly handled certain malformed BGP\nUPDATE messages containing 4-byte AS attributes. A remote attacker could\npossibly use this issue to cause GoBGP to crash, resulting in a denial of\nservice. (CVE-2026-41643)\n\nIt was discovered that GoBGP incorrectly handled certain malformed BGP\nUPDATE messages containing SRv6 L3 Service attributes. A remote attacker\ncould possibly use this issue to cause GoBGP to crash, resulting in a\ndenial of service. (CVE-2026-7734)\n\nIt was discovered that GoBGP incorrectly handled certain malformed BGP\nUPDATE messages containing Accumulated IGP (AIGP) attributes. A remote\nattacker could possibly use this issue to cause GoBGP to crash, resulting\nin a denial of service. (CVE-2026-7735)\n\nIt was discovered that GoBGP incorrectly handled certain malformed Multi-\nthreaded Routing Toolkit (MRT) routing information entries. A remote\nattacker could possibly use this issue to cause GoBGP to crash, resulting\nin a denial of service. (CVE-2026-7736)\n\nIt was discovered that GoBGP incorrectly handled certain malformed Multi-\nthreaded Routing Toolkit (MRT) headers. A remote attacker could possibly\nuse this issue to cause GoBGP to crash, resulting in a denial of service.\n(CVE-2026-7737)","modified":"2026-06-03T13:49:15.530677501Z","published":"2026-06-03T04:50:51Z","related":["UBUNTU-CVE-2026-37461","UBUNTU-CVE-2026-41643","UBUNTU-CVE-2026-7734","UBUNTU-CVE-2026-7735","UBUNTU-CVE-2026-7736","UBUNTU-CVE-2026-7737"],"upstream":["CVE-2026-37461","CVE-2026-41643","CVE-2026-7734","CVE-2026-7735","CVE-2026-7736","CVE-2026-7737","UBUNTU-CVE-2026-37461","UBUNTU-CVE-2026-41643","UBUNTU-CVE-2026-7734","UBUNTU-CVE-2026-7735","UBUNTU-CVE-2026-7736","UBUNTU-CVE-2026-7737"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8348-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-7734"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-7735"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-7736"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-7737"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-37461"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-41643"}],"affected":[{"package":{"name":"gobgp","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/gobgp?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.29-1ubuntu0.1+esm2"}]}],"versions":["1.15-1","1.29-1","1.29-1ubuntu0.1+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"gobgpd","binary_version":"1.29-1ubuntu0.1+esm2"},{"binary_version":"1.29-1ubuntu0.1+esm2","binary_name":"golang-github-osrg-gobgp-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8348-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7735"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7736"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7737"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-37461"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-41643"}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}},{"package":{"name":"gobgp","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/gobgp?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.0-1ubuntu0.1~esm3"}]}],"versions":["1.33-1","2.11.0-1","2.12.0-1","2.12.0-1ubuntu0.1~esm1","2.12.0-1ubuntu0.1~esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"2.12.0-1ubuntu0.1~esm3","binary_name":"gobgpd"},{"binary_version":"2.12.0-1ubuntu0.1~esm3","binary_name":"golang-github-osrg-gobgp-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8348-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7735"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7736"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7737"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-37461"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-41643"}],"ecosystem":"Ubuntu:Pro:20.04:LTS"}}},{"package":{"name":"gobgp","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/gobgp?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.25.0-3ubuntu0.1+esm4"}]}],"versions":["2.25.0-2","2.25.0-3","2.25.0-3build1","2.25.0-3ubuntu0.1","2.25.0-3ubuntu0.1+esm1","2.25.0-3ubuntu0.1+esm2","2.25.0-3ubuntu0.1+esm3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"2.25.0-3ubuntu0.1+esm4","binary_name":"gobgpd"},{"binary_version":"2.25.0-3ubuntu0.1+esm4","binary_name":"golang-github-osrg-gobgp-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8348-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7734"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7735"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7736"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7737"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-37461"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-41643"}],"ecosystem":"Ubuntu:Pro:22.04:LTS"}}},{"package":{"name":"gobgp","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/gobgp?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.23.0-1ubuntu0.3+esm4"}]}],"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","3.23.0-1ubuntu0.3+esm2","3.23.0-1ubuntu0.3+esm3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"3.23.0-1ubuntu0.3+esm4","binary_name":"gobgpd"},{"binary_version":"3.23.0-1ubuntu0.3+esm4","binary_name":"golang-github-osrg-gobgp-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8348-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7734"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7735"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7736"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7737"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-37461"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-41643"}],"ecosystem":"Ubuntu:Pro:24.04:LTS"}}},{"package":{"name":"gobgp","ecosystem":"Ubuntu:Pro:26.04:LTS","purl":"pkg:deb/ubuntu/gobgp?arch=source&distro=esm-apps%2Fresolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.36.0-2ubuntu0.1~esm1"}]}],"versions":["3.36.0-2","3.36.0-2build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"3.36.0-2ubuntu0.1~esm1","binary_name":"gobgpd"},{"binary_name":"golang-github-osrg-gobgp-dev","binary_version":"3.36.0-2ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8348-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7734"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7735"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7736"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-7737"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-37461"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-41643"}],"ecosystem":"Ubuntu:Pro:26.04:LTS"}}}],"schema_version":"1.7.5"}