{"id":"CLSA-2026-1785845612","summary":"Fix CVE(s): CVE-2026-42055","details":"   * SECURITY UPDATE: Heap buffer overflow in ngx_http_grpc_module when\n     proxying oversized headers to a gRPC/HTTP/2 upstream\n     - debian/patches/CVE-2026-42055.patch: reject request line and header\n       fields longer than NGX_HTTP_V2_MAX_FIELD in\n       ngx_http_grpc_create_request to prevent buffer overrun when\n       large_client_header_buffers exceeds 2 megabytes and\n       ignore_invalid_headers is off\n     - CVE-2026-42055","modified":"2026-10-26T09:31:52.775380178Z","published":"2026-08-04T12:13:44Z","upstream":["CVE-2026-42055"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/debian10els/CLSA-2026-1785845612.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42055"}],"affected":[{"package":{"name":"libnginx-mod-http-auth-pam","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-auth-pam?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-cache-purge","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-cache-purge?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-dav-ext","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-dav-ext?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-echo","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-echo?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-fancyindex","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-fancyindex?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-geoip","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-geoip?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-headers-more-filter","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-headers-more-filter?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-image-filter","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-image-filter?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-lua","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-lua?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-ndk","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-ndk?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-perl","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-perl?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-subs-filter","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-subs-filter?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-uploadprogress","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-uploadprogress?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-upstream-fair","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-upstream-fair?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-http-xslt-filter","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-http-xslt-filter?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-mail","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-mail?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-nchan","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-nchan?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-rtmp","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-rtmp?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"libnginx-mod-stream","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/libnginx-mod-stream?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"nginx","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/nginx?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"nginx-common","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/nginx-common?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"nginx-doc","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/nginx-doc?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"nginx-extras","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/nginx-extras?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"nginx-full","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/nginx-full?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}},{"package":{"name":"nginx-light","ecosystem":"TuxCare:Debian:10","purl":"pkg:deb/tuxcare/nginx-light?distro=debian-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.2-2+deb10u5+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1785845612.json"}}],"schema_version":"1.9.0"}