{"id":"USN-7715-1","summary":"nginx vulnerability","details":"It was discovered that the nginx ngx_mail_smtp_module module incorrectly\nhandled certain memory operations when doing SMTP authentication. This\ncould possibly result in sensitive information being sent to the\nauthentication server.","modified":"2026-04-27T18:15:27.052352Z","published":"2025-08-25T12:14:35Z","related":["UBUNTU-CVE-2025-53859"],"upstream":["CVE-2025-53859","UBUNTU-CVE-2025-53859"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7715-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-53859"}],"affected":[{"package":{"name":"nginx","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/nginx@1.18.0-6ubuntu14.7?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.0-6ubuntu14.7"}]}],"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","1.18.0-6ubuntu14.6"],"ecosystem_specific":{"binaries":[{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-auth-pam"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-cache-purge"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-dav-ext"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-echo"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-fancyindex"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-geoip"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-geoip2"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-headers-more-filter"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-image-filter"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-ndk"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-perl"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-subs-filter"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-uploadprogress"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-upstream-fair"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-http-xslt-filter"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-mail"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-nchan"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-rtmp"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-stream"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-stream-geoip"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"libnginx-mod-stream-geoip2"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"nginx"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"nginx-common"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"nginx-core"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"nginx-extras"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"nginx-full"},{"binary_version":"1.18.0-6ubuntu14.7","binary_name":"nginx-light"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7715-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2025-53859","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"nginx","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/nginx@1.24.0-2ubuntu7.5?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.0-2ubuntu7.5"}]}],"versions":["1.24.0-1ubuntu1","1.24.0-2ubuntu1","1.24.0-2ubuntu2","1.24.0-2ubuntu3","1.24.0-2ubuntu4","1.24.0-2ubuntu6","1.24.0-2ubuntu7","1.24.0-2ubuntu7.1","1.24.0-2ubuntu7.3","1.24.0-2ubuntu7.4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"libnginx-mod-http-geoip"},{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"libnginx-mod-http-image-filter"},{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"libnginx-mod-http-perl"},{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"libnginx-mod-http-xslt-filter"},{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"libnginx-mod-mail"},{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"libnginx-mod-stream"},{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"libnginx-mod-stream-geoip"},{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"nginx"},{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"nginx-common"},{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"nginx-core"},{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"nginx-extras"},{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"nginx-full"},{"binary_version":"1.24.0-2ubuntu7.5","binary_name":"nginx-light"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7715-1.json","cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2025-53859","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}]}}}],"schema_version":"1.7.5"}