{"id":"UBUNTU-CVE-2025-61103","details":"FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_lan_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.","modified":"2026-05-20T16:23:39.270737218Z","published":"2025-10-28T15:16:00Z","related":["USN-8046-1"],"upstream":["CVE-2025-61103"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-61103"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-61103"},{"type":"REPORT","url":"https://github.com/s1awwhy/BugList/blob/main/CVE-2025-61103.md"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8046-1"}],"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/2025/UBUNTU-CVE-2025-61103.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_version":"1.2.4-1ubuntu0.1~esm2","binary_name":"quagga-core"},{"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_version":"1.2.4-1ubuntu0.1~esm2","binary_name":"quagga-ospfd"},{"binary_version":"1.2.4-1ubuntu0.1~esm2","binary_name":"quagga-pimd"},{"binary_name":"quagga-ripd","binary_version":"1.2.4-1ubuntu0.1~esm2"},{"binary_version":"1.2.4-1ubuntu0.1~esm2","binary_name":"quagga-ripngd"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-61103.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_version":"1.2.4-4ubuntu0.5","binary_name":"quagga-bgpd"},{"binary_name":"quagga-core","binary_version":"1.2.4-4ubuntu0.5"},{"binary_version":"1.2.4-4ubuntu0.5","binary_name":"quagga-isisd"},{"binary_name":"quagga-ospf6d","binary_version":"1.2.4-4ubuntu0.5"},{"binary_version":"1.2.4-4ubuntu0.5","binary_name":"quagga-ospfd"},{"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/2025/UBUNTU-CVE-2025-61103.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"}]}],"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","7.2.1-1ubuntu0.2+esm4"],"ecosystem_specific":{"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/2025/UBUNTU-CVE-2025-61103.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":"8.1-1ubuntu1.14"}]}],"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"],"ecosystem_specific":{"availability":"No 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subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-61103.json"}},{"package":{"name":"frr","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/frr?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.4.1-3ubuntu1.1"}]}],"versions":["10.2.1-1ubuntu3","10.3-3ubuntu2","10.4.1-3ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"frr","binary_version":"10.4.1-3ubuntu1.1"},{"binary_version":"10.4.1-3ubuntu1.1","binary_name":"frr-pythontools"},{"binary_version":"10.4.1-3ubuntu1.1","binary_name":"frr-rpki-rtrlib"},{"binary_name":"frr-snmp","binary_version":"10.4.1-3ubuntu1.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-61103.json"}},{"package":{"name":"frr","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/frr?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.5.1-1ubuntu2"}]}],"versions":["10.4.1-3ubuntu1","10.4.1-3ubuntu2","10.5.1-1ubuntu1"],"ecosystem_specific":{"availability":"No subscription 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