{"id":"UBUNTU-CVE-2026-5107","details":"A vulnerability has been found in FRRouting FRR up to 10.5.1. This affects the function process_type2_route of the file bgpd/bgp_evpn.c of the component EVPN Type-2 Route Handler. The manipulation leads to improper access controls. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitability is reported as difficult. The identifier of the patch is 7676cad65114aa23adde583d91d9d29e2debd045. To fix this issue, it is recommended to deploy a patch.","modified":"2026-05-30T17:15:05.446982158Z","published":"2026-03-30T06:16:00Z","related":["USN-8175-1"],"upstream":["CVE-2026-5107"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-5107"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-5107"},{"type":"REPORT","url":"https://github.com/FRRouting/frr/pull/21098"},{"type":"REPORT","url":"https://vuldb.com/submit/780123"},{"type":"REPORT","url":"https://vuldb.com/vuln/354132"},{"type":"REPORT","url":"https://vuldb.com/vuln/354132/cti"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8175-1"}],"affected":[{"package":{"name":"quagga","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/quagga?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.99.24.1-2","0.99.24.1-2ubuntu1","0.99.24.1-2ubuntu1.1","0.99.24.1-2ubuntu1.2","0.99.24.1-2ubuntu1.3","0.99.24.1-2ubuntu1.4","0.99.24.1-2ubuntu1.4+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.99.24.1-2ubuntu1.4+esm1","binary_name":"quagga"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5107.json"}},{"package":{"name":"quagga","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/quagga?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.1-3","1.1.1-3ubuntu1","1.2.2-1","1.2.2-1ubuntu1","1.2.4-1","1.2.4-1ubuntu0.1~esm1","1.2.4-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.4-1ubuntu0.1~esm2","binary_name":"quagga"},{"binary_name":"quagga-bgpd","binary_version":"1.2.4-1ubuntu0.1~esm2"},{"binary_name":"quagga-core","binary_version":"1.2.4-1ubuntu0.1~esm2"},{"binary_version":"1.2.4-1ubuntu0.1~esm2","binary_name":"quagga-isisd"},{"binary_version":"1.2.4-1ubuntu0.1~esm2","binary_name":"quagga-ospf6d"},{"binary_version":"1.2.4-1ubuntu0.1~esm2","binary_name":"quagga-ospfd"},{"binary_name":"quagga-pimd","binary_version":"1.2.4-1ubuntu0.1~esm2"},{"binary_name":"quagga-ripd","binary_version":"1.2.4-1ubuntu0.1~esm2"},{"binary_name":"quagga-ripngd","binary_version":"1.2.4-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5107.json"}},{"package":{"name":"quagga","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/quagga?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.4-4build1","1.2.4-4ubuntu0.1","1.2.4-4ubuntu0.4","1.2.4-4ubuntu0.5"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.4-4ubuntu0.5","binary_name":"quagga"},{"binary_name":"quagga-bgpd","binary_version":"1.2.4-4ubuntu0.5"},{"binary_version":"1.2.4-4ubuntu0.5","binary_name":"quagga-core"},{"binary_name":"quagga-isisd","binary_version":"1.2.4-4ubuntu0.5"},{"binary_version":"1.2.4-4ubuntu0.5","binary_name":"quagga-ospf6d"},{"binary_name":"quagga-ospfd","binary_version":"1.2.4-4ubuntu0.5"},{"binary_version":"1.2.4-4ubuntu0.5","binary_name":"quagga-pimd"},{"binary_name":"quagga-ripd","binary_version":"1.2.4-4ubuntu0.5"},{"binary_name":"quagga-ripngd","binary_version":"1.2.4-4ubuntu0.5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5107.json"}},{"package":{"name":"frr","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/frr?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.2.1-1ubuntu0.2+esm4"}]}],"versions":["6.0.2-2build2","7.2-1ubuntu1","7.2-1ubuntu2","7.2.1-1","7.2.1-1ubuntu0.1","7.2.1-1ubuntu0.2","7.2.1-1ubuntu0.2+esm1","7.2.1-1ubuntu0.2+esm2","7.2.1-1ubuntu0.2+esm3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"frr","binary_version":"7.2.1-1ubuntu0.2+esm4"},{"binary_version":"7.2.1-1ubuntu0.2+esm4","binary_name":"frr-pythontools"},{"binary_version":"7.2.1-1ubuntu0.2+esm4","binary_name":"frr-rpki-rtrlib"},{"binary_name":"frr-snmp","binary_version":"7.2.1-1ubuntu0.2+esm4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5107.json"}},{"package":{"name":"frr","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/frr?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1-1ubuntu1.15"}]}],"versions":["7.5.1-1.1","8.1-1","8.1-1ubuntu1","8.1-1ubuntu1.1","8.1-1ubuntu1.2","8.1-1ubuntu1.3","8.1-1ubuntu1.4","8.1-1ubuntu1.5","8.1-1ubuntu1.6","8.1-1ubuntu1.7","8.1-1ubuntu1.8","8.1-1ubuntu1.9","8.1-1ubuntu1.10","8.1-1ubuntu1.11","8.1-1ubuntu1.13","8.1-1ubuntu1.14"],"ecosystem_specific":{"binaries":[{"binary_name":"frr","binary_version":"8.1-1ubuntu1.15"},{"binary_name":"frr-pythontools","binary_version":"8.1-1ubuntu1.15"},{"binary_name":"frr-rpki-rtrlib","binary_version":"8.1-1ubuntu1.15"},{"binary_name":"frr-snmp","binary_version":"8.1-1ubuntu1.15"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5107.json"}},{"package":{"name":"frr","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/frr?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.4.4-1.1ubuntu6.6"}]}],"versions":["8.4.4-1.1ubuntu1","8.4.4-1.1ubuntu3","8.4.4-1.1ubuntu4","8.4.4-1.1ubuntu5","8.4.4-1.1ubuntu6","8.4.4-1.1ubuntu6.1","8.4.4-1.1ubuntu6.2","8.4.4-1.1ubuntu6.3","8.4.4-1.1ubuntu6.4","8.4.4-1.1ubuntu6.5"],"ecosystem_specific":{"binaries":[{"binary_name":"frr","binary_version":"8.4.4-1.1ubuntu6.6"},{"binary_name":"frr-pythontools","binary_version":"8.4.4-1.1ubuntu6.6"},{"binary_name":"frr-rpki-rtrlib","binary_version":"8.4.4-1.1ubuntu6.6"},{"binary_name":"frr-snmp","binary_version":"8.4.4-1.1ubuntu6.6"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5107.json"}},{"package":{"name":"frr","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/frr?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.4.1-3ubuntu1.2"}]}],"versions":["10.2.1-1ubuntu3","10.3-3ubuntu2","10.4.1-3ubuntu1","10.4.1-3ubuntu1.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"10.4.1-3ubuntu1.2","binary_name":"frr"},{"binary_name":"frr-pythontools","binary_version":"10.4.1-3ubuntu1.2"},{"binary_name":"frr-rpki-rtrlib","binary_version":"10.4.1-3ubuntu1.2"},{"binary_version":"10.4.1-3ubuntu1.2","binary_name":"frr-snmp"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5107.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}