-*- coding: utf-8 -*- Changes with Apache 2.4.69 *) SECURITY: CVE-2026-93546: mod_dav_fs namespace overflow (cve.mitre.org) Integer overflow in mod_dav_fs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write access to crash worker processes and persistently corrupt a directory's property database via PROPPATCH requests declaring many XML namespaces. Credits: Zhen Kong *) SECURITY: CVE-2026-79768: mod_userdir information disclosure (cve.mitre.org) Path equivalence: '/./' (single dot directory) vulnerability in Apache HTTP Server's mod_userdir module when configured with absolute non-wildcard UserDir directive (the 2nd form in https://httpd.apache.org/docs/2.4/mod/mod_userdir.html#userdir ) This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. Credits: Vlatko Kosturjak, Marlink Cyber *) SECURITY: CVE-2026-73637: mod_auth_digest DoS attack (cve.mitre.org) Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause authentication state corruption via concurrent Digest authentication requests when AuthDigestNcCheck is enabled or AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue. Credits: Zhen Kong *) SECURITY: CVE-2026-73636: mod_auth_digest one-time-nonce replay attack (cve.mitre.org) Authentication bypass by capture-replay in mod_auth_digest in Apache Software Foundation Apache HTTP Server 2.4.x on all platforms allows a man-in-the-middle (MITM) attacker to replay captured digest authentication credentials via crafted requests that trigger garbage collection of the client's shared memory entry when AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue. Credits: Hyojae Lee *) SECURITY: CVE-2026-63718: mod_proxy_uwsgi Transfer-Encoding response smuggling (cve.mitre.org) Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') response smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi and a crafted uwsgi response with Transfer-Encoding. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.68. Credits: Qing Xu *) SECURITY: CVE-2026-63686: mod_xml2enc crash on charset conversion failure (cve.mitre.org) A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails. Users are recommended to upgrade to version 2.4.69, which fixes this issue. Credits: Lucian Nitescu *) SECURITY: CVE-2026-63292: mod_vhost_alias stack overflow (cve.mitre.org) Stack-based buffer overflow in mod_vhost_alias in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows a remote client to cause a denial of service or potentially execute arbitrary code via an HTTP request with a Host header exceeding 8192 bytes when VirtualDocumentRoot uses a hostname format specifier and LimitRequestFieldSize is raised above the default. Users are recommended to upgrade to version 2.4.69, which fixes this issue. Credits: Hyojae Lee *) SECURITY: CVE-2026-63045: mod_proxy_ftp PASV address handling (cve.mitre.org) Improper validation of FTP PASV reply address in mod_proxy_ftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a data connection to an arbitrary third-party host via a crafted PASV response. Users are recommended to upgrade to version 2.4.69, which fixes this issue. Credits: Zhen Kong *) SECURITY: CVE-2026-59797: mod_ssl SSLRequire allows .htaccess ap_expr file-function (cve.mitre.org) Improper Privilege Management vulnerability in Apache HTTP Server's mod_ssl via SSLRequire and file-related expressions. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. Credits: kimchunbok *) SECURITY: CVE-2026-59685: Out-of-Bounds Write in ap_directory_walk() Canonical-Name Rewrite on CASE_BLIND_FILESYSTEM (cve.mitre.org) Out-of-bounds Write vulnerability in Apache HTTP Server on Windows while processing paths with 8.3 names that may grow when expanded. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. Credits: Dhiraj Mishra *) SECURITY: CVE-2026-58415: mod_dav_fs property database read access (cve.mitre.org) Internal state files accessible to external parties in mod_dav_fs in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows a remote client to read WebDAV dead properties of resources it cannot author via a GET request for the .DAV state directory This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. Credits: 이지웅 (kimchunbok) *) SECURITY: CVE-2026-57941: mod_http2 use-after-free / wild write via shared session->bbtmp re-entrancy (cve.mitre.org) Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. Credits: Lucian Nitescu *) SECURITY: CVE-2026-56449: mod_proxy_html: crash in dump_content (cve.mitre.org) Out-of-bounds Write vulnerability in Apache HTTP Server's mod_proxy_html with crafted HTTP response bodies. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. Credits: Lucian Nitescu *) SECURITY: CVE-2026-56154: mod_rewrite use-after-free via %{LA-U:HTTP:...} (cve.mitre.org) Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...}) This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. Credits: Nebula Security (@nebusecurity) *) SECURITY: CVE-2026-56153: mod_charset_lite: Heap overflow in finish_partial_char (cve.mitre.org) Out-of-bounds Write vulnerability in Apache HTTP Server's mod_charset_lite. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. Credits: Bartlomiej Dmitruk at striga.ai *) SECURITY: CVE-2026-48005: mod_auth_digest reauthentication attack (cve.mitre.org) Missing authentication checks in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause a denial of service (forced re-authentication) via forged Authorization headers when Digest authentication is enabled with AuthDigestNcCheck . Users are recommended to upgrade to version 2.4.69, which fixes this issue. Credits: lokerxx *) SECURITY: CVE-2026-47360: mod_session: Session cookie not removed during internal redirect (cve.mitre.org) Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache HTTP Server's mod_session_cookie module.   When SessionCookieRemove changes across internal redirects, the session cookie may still be passed to a backend server. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. Credits: lokerxx *) SECURITY: CVE-2026-46729: mod_heartmonitor denial of service (cve.mitre.org) NULL Pointer Dereference vulnerability in Apache HTTP Servers mod_heartmonitor over unicast listener. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68. Credits: Zhang San *) SECURITY: CVE-2026-42528: mod_dav shared lock overflow (cve.mitre.org) A memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes. Users are recommended to upgrade to version 2.4.69, which fixes this issue Credits: Zhenpeng (Leo) Lin at depthfirst *) SECURITY: CVE-2026-42356: limited RCE for some internal redirects to non-CGI files in CGI directories (cve.mitre.org) Deployment of wrong handler vulnerability in Apache HTTP Server allows the target of some internal redirects from CGI programs to also be treated as CGI and executed. The target must already be in a directory enabled for CGI and have no other extension understood by mod_mime. This issue affects Apache HTTP Server: from 2.4.60 through 2.4.68. Credits: Feliks Penconek *) Fix the tar icon in the documentation so that its background is transparent. PR 70238. [Jeffery To ] *) mod_ssl: Fix OpenSSL compatibility macros for X509_get0_notBefore, X509_get0_notAfter, and X509_get0_serialNumber with OpenSSL < 1.1. PR 70205. [Craig Lorentzen ] *) mod_cgid, mod_ssl, mod_md: Various hardening fixes. [Various authors] *) mod_md: MDServerStatus is now disabled by default. [Joe Orton] *) mod_auth_digest: Fix compatibility with expression-based AuthName. PR 59039. [Eric Covener] *) mod_auth_digest.c: Drop RFC 2069 support; rewrite shared memory handling and client nonce handling; "authdigest-opaque" mutex is now longer needed. [Joe Orton] *) mod_lbmethod_heartbeat: Use safe integer parsing with range validation, replacing atoi(). [Sayed Kaif ] *) core: Reject control characters in the reason phrase of interim responses. Only accept space as status-code separator. [Joe Orton] *) mod_substitute: Fix SubstituteMaxLineLength to reject values too large for the K/M/G suffix. [Joe Orton] *) mod_substitute: Fix crash or misbehaviour when loading a Substitute directive with a missing closing delimiter. [Joe Orton] *) mod_dir: Fix a crash in fixup_dir for a request not mapped to any type. PR68527. [Eric Covener] *) mod_http2: Do not drop an in-flight response when a client sends a graceful GOAWAY (error code 0) while streams it opened are still being processed. The session now drains open streams instead of tearing down immediately, which async MPMs hit far more than event. Fixes a silently dropped response; RFC 9113 compliant. [Jim Jagielski] *) mod_md: OpenSSL 4 compatibility. *) pytest_suite: Port of the old PERL test framework to Python and pytest. Now included in the source tree under ./test [Jim Jagielski]