{"id":"CLSA-2026-1792798495","summary":"Fix CVE(s): CVE-2026-15176","details":"   * SECURITY UPDATE: heap buffer overflow via post-rewrite URI to path\n     mapping with alias\n     - debian/patches/CVE-2026-15176.patch: in ngx_http_map_uri_to_path(),\n       reject the mapping for a location using \"alias\" when r-\u003euri_changed is\n       set, so a rewritten URI shorter than the location prefix is no longer\n       mapped to a path (e.g. via $request_filename)\n     - debian/patches/CVE-2026-15176-2.patch: in ngx_http_script_break_code(),\n       clear r-\u003evalid_location when the URI was changed, so the alias check\n       also rejects the mapping after a standalone \"break\"\n     - CVE-2026-15176","modified":"2026-10-26T09:32:04.927118844Z","published":"2026-10-23T23:35:05Z","upstream":["CVE-2026-15176"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1792798495.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15176"}],"affected":[{"package":{"name":"libnginx-mod-http-auth-pam","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnginx-mod-http-auth-pam?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-0ubuntu1.11+tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792798495.json"}},{"package":{"name":"libnginx-mod-http-cache-purge","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnginx-mod-http-cache-purge?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-0ubuntu1.11+tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792798495.json"}},{"package":{"name":"libnginx-mod-http-dav-ext","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnginx-mod-http-dav-ext?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-0ubuntu1.11+tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792798495.json"}},{"package":{"name":"libnginx-mod-http-echo","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnginx-mod-http-echo?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-0ubuntu1.11+tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792798495.json"}},{"package":{"name":"libnginx-mod-http-fancyindex","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnginx-mod-http-fancyindex?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-0ubuntu1.11+tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792798495.json"}},{"package":{"name":"libnginx-mod-http-geoip","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnginx-mod-http-geoip?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-0ubuntu1.11+tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792798495.json"}},{"package":{"name":"libnginx-mod-http-headers-more-filter","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnginx-mod-http-headers-more-filter?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-0ubuntu1.11+tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792798495.json"}},{"package":{"name":"libnginx-mod-http-image-filter","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnginx-mod-http-image-filter?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-0ubuntu1.11+tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792798495.json"}},{"package":{"name":"libnginx-mod-http-lua","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnginx-mod-http-lua?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-0ubuntu1.11+tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792798495.json"}},{"package":{"name":"libnginx-mod-http-ndk","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnginx-mod-http-ndk?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-0ubuntu1.11+tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792798495.json"}},{"package":{"name":"libnginx-mod-http-perl","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnginx-mod-http-perl?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-0ubuntu1.11+tuxcare.els10"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792798495.json"}},{"package":{"name":"libnginx-mod-http-subs-filter","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libnginx-mod-http-subs-filter?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-0ubuntu1.11+t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