{"id":"USN-7285-1","summary":"nginx vulnerability","details":"It was discovered that nginx incorrectly handled when multiple\nserver blocks are configured to share the same IP address and port.\nAn attacker could use this issue to use session resumption to bypass\nclient certificate authentication requirements on these servers.\nThis issue only affected Ubuntu 24.10.\n\nA buffer overflow and a null pointer deref was fixed in nginx rtmp module\n(#LP 1977718). This issue only affected Ubuntu 20.04 LTS and\nUbuntu 22.04 LTS.\n","modified":"2026-04-27T17:44:17.317396Z","published":"2025-02-24T11:00:34Z","related":["UBUNTU-CVE-2025-23419"],"upstream":["CVE-2025-23419","UBUNTU-CVE-2025-23419"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7285-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-23419"},{"type":"REPORT","url":"https://launchpad.net/bugs/1977718"}],"affected":[{"package":{"name":"nginx","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/nginx@1.18.0-0ubuntu1.7?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.0-0ubuntu1.7"}]}],"versions":["1.16.1-0ubuntu2","1.16.1-0ubuntu3","1.17.5-0ubuntu1","1.17.6-0ubuntu1","1.17.7-0ubuntu1","1.17.8-0ubuntu1","1.17.8-0ubuntu2","1.17.8-0ubuntu3","1.17.9-0ubuntu1","1.17.9-0ubuntu2","1.17.9-0ubuntu3","1.17.10-0ubuntu1","1.18.0-0ubuntu1","1.18.0-0ubuntu1.2","1.18.0-0ubuntu1.3","1.18.0-0ubuntu1.4","1.18.0-0ubuntu1.5","1.18.0-0ubuntu1.6"],"ecosystem_specific":{"binaries":[{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-auth-pam"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-cache-purge"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-dav-ext"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-echo"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-fancyindex"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-geoip"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-geoip2"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-headers-more-filter"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-image-filter"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-lua"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-ndk"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-perl"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-subs-filter"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-uploadprogress"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-upstream-fair"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-http-xslt-filter"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-mail"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-nchan"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-rtmp"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"libnginx-mod-stream"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"nginx"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"nginx-common"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"nginx-core"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"nginx-extras"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"nginx-full"},{"binary_version":"1.18.0-0ubuntu1.7","binary_name":"nginx-light"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-23419"}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7285-1.json"}},{"package":{"name":"nginx","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/nginx@1.18.0-6ubuntu14.6?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.0-6ubuntu14.6"}]}],"versions":["1.18.0-6ubuntu11","1.18.0-6ubuntu12","1.18.0-6ubuntu14","1.18.0-6ubuntu14.1","1.18.0-6ubuntu14.2","1.18.0-6ubuntu14.3","1.18.0-6ubuntu14.4","1.18.0-6ubuntu14.5"],"ecosystem_specific":{"binaries":[{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-auth-pam"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-cache-purge"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-dav-ext"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-echo"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-fancyindex"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-geoip"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-geoip2"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-headers-more-filter"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-image-filter"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-ndk"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-perl"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-subs-filter"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-uploadprogress"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-upstream-fair"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-http-xslt-filter"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-mail"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-nchan"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-rtmp"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-stream"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-stream-geoip"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"libnginx-mod-stream-geoip2"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"nginx"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"nginx-common"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"nginx-core"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"nginx-extras"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"nginx-full"},{"binary_version":"1.18.0-6ubuntu14.6","binary_name":"nginx-light"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-23419"}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7285-1.json"}}],"schema_version":"1.7.5"}