CVE-2008-0455

CVE-2008-0455 is an XSS vulnerability in the mod_negotiation module of Apache HTTP Server. A remote authenticated attacker can upload a file whose name contains XSS sequences and a file extension, causing arbitrary script/HTML to be injected into HTTP responses (notably for 406 Not Acceptable or ...

CVE-2014-3581

Apache HTTP Server vulnerability CVE-2014-3581 affects the mod_cache component (cache_util.c) in the httpd 2.4.x line, before 2.4.11. An empty Content-Type header can trigger a NULL pointer dereference in cache_merge_headers_out, leading to a denial of service (application crash). Public advisori...

CVE-2026-28780

CVE-2026-28780 is a heap-based buffer overflow in Apache HTTP Server’s mod_proxy_ajp (via ajp_msg_check_header()). Reports across Debian, FreeBSD/vuxml, Alpine, and NC SC advisories confirm impact on versions up to 2.4.66 and a fix in 2.4.67 . The issue allows memory corruption and can contribute...

CVE-2010-0434

CVE-2010-0434 affects the Apache HTTP Server 2.2.x series (pre-2.2.15) where the ap_read_request handling in server/protocol.c for multithreaded MPMs could disclose memory contents by accessing headers of subrequests tied to an earlier request. Public sources in connected docs (e.g., Debian secur...

CVE-2004-0492

Apache mod_proxy vulnerability CVE-2004-0492 is a heap-based overflow in proxy_util.c affecting Apache 1.3.25–1.3.31. A remote attacker can trigger a denial of service (process crash) and possibly execute arbitrary code by sending a negative Content-Length header, causing excessive data copy. The...

CVE-2006-3747

CVE-2006-3747 describes an off-by-one error in the LDAP scheme handling of Apache’s mod_rewrite. The issue affects Apache versions with RewriteEngine enabled and certain LDAP URL rules, allowing remote attackers to trigger a denial of service and potentially execute arbitrary code. Affected range...

CVE-2025-65082

CVE-2025-65082 affects Apache HTTP Server 2.4.0–2.4.65, due to improper neutralization of Escape, Meta, or Control sequences in environment variables set via Apache config, which can supersede server-calculated CGI variables. The issue, identified across multiple advisories (Debian DLA-4452-1, AL...

CVE-2025-49812

CVE-2025-49812 affects Apache HTTP Server (httpd) via mod_ssl in some mod_ssl configurations up to version 2.4.63. An HTTP desynchronisation attack lets a MITM hijack a session during TLS upgrade when SSLEngine optional is used. Upgrading to httpd 2.4.64 (which removes TLS upgrade support) is the...

CVE-2018-8011

CVE-2018-8011 affects the Apache httpd mod_md component. By sending specially crafted HTTP requests, the mod_md challenge handler could dereference a NULL pointer and cause the child process to segfault, enabling a denial of service. Impact: DoS via crafted requests; affected version: 2.4.33, fix...

CVE-2008-2939

CVE-2008-2939 is an XSS vulnerability in the Apache HTTP Server when using the mod_proxy_ftp module. The flaw arises from insufficient sanitization of user-supplied data in FTP URIs, specifically involving a wildcard in the last directory component of the pathname. A remote attacker could inject ...

CVE-2007-0086

CVE-2007-0086 targets the Apache HTTP Server. The documented effect is a denial of service caused by a Range header that can cause network bandwidth consumption when a TCP connection is opened with a large window size, via multiple copies of the same fragment. The connected documents provide conc...

CVE-2009-1195

CVE-2009-1195 affects the Apache HTTP Server 2.2.x line (2.2.11 and earlier). The issue arises from improper handling of the Options=IncludesNOEXEC in the AllowOverride directive, enabling local users to configure .htaccess files to enable script execution via (1) Options Includes, (2) Options +I...

CVE-2009-1955

CVE-2009-1955 affects the Expact XML parser used by the apr_xml_* interface in xml/apr_xml.c of APR-util, with the vulnerability present in APR-util prior to 1.3.7. In Apache HTTP Server deployments that enable mod_dav and mod_dav_svn, a crafted XML document containing a large number of nested en...

CVE-2007-0450

CVE-2007-0450 is a directory traversal vulnerability affecting Apache Tomcat (and Tomcat behind certain Apache proxies) where a crafted URI containing a dot-dot sequence and mixed separators (/, , and %5C) can cause unauthorized disclosure of arbitrary files. Affected products/versions include To...

CVE-2024-40725

CVE-2024-40725 affects Apache HTTP Server core (httpd) and arises from a partial fix for CVE-2024-39884 in 2.4.61 that can leak local content when legacy content-type based configuration (AddType and similar) is used, potentially serving PHP scripts as source code under indirect requests. The iss...

CVE-2024-47252

CVE-2024-47252 concerns the Apache HTTP Server’s mod_ssl: in versions up to 2.4.63, insufficient escaping of user-supplied data can allow an untrusted TLS client to insert escape characters into log files in some configurations (notably when CustomLog uses "%{varname}x" or "%{varname}c" to log mo...

CVE-2007-5000

CVE-2007-5000 affects Apache HTTP Server mod_imap and mod_imagemap (v1.3.0–1.3.39 and v2.0.35–2.0.61). The flaw is due to insufficient input validation, allowing remote script/HTML injection via unspecified vectors. Public advisories note fixes in later Apache releases (and related packages); mit...

CVE-2007-6423

The CVE-2007-6423 issue concerns Apache HTTP Server 2.2.x on Windows, where mod_proxy_balancer could trigger memory corruption through a long URL. The Red Hat advisory notes the vulnerability as unspecified and unreproducible by the vendor, while Red Hat indicates that Apache 2.2.7-dev contains a...

CVE-2025-49630

CVE-2025-49630 affects the Apache HTTP Server (httpd) mod_proxy_http2. In certain reverse-proxy configurations (HTTP/2 backend and ProxyPreserveHost set to “on”), untrusted clients can trigger an assertion in mod_proxy_http2, causing a denial-of-service on affected 2.4.26–2.4.63 servers. Connecte...

CVE-2007-6203

Apache HTTP Server 2.0.x and 2.2.x are affected by CVE-2007-6203, where the HTTP Method header is not sanitized when reflected in a 413 Response, enabling cross-site scripting-like attacks via headers sent by the client. The root cause is lack of sanitization of the Method specifier header in suc...

CVE-2024-42516

CVE-2024-42516 affects Apache HTTP Server (httpd). The issue is HTTP response splitting caused by faulty input validation in the core, allowing manipulation of Content-Type headers to split responses. Reports indicate the vulnerability was discussed as CVE-2023-38709, with patches through 2.4.59 ...

CVE-2012-0021

CVE-2012-0021 affects Apache HTTP Server 2.2.17–2.2.21 when using a threaded MPM. The log_cookie function mishandles a %{}C format string in cookies, enabling a remote attacker to cause a denial of service (daemon crash) by sending a cookie with no name and no value. Connected sources (F5 advisor...

CVE-2008-0456

CVE-2008-0456 : CRLF injection in the mod_negotiation module of Apache HTTP Server (versions 2.2.x up to 2.2.6, 2.0.x up to 2.0.61, and 1.3.x up to 1.3.39) allows remote authenticated users to upload a file with a multi-line name containing HTTP header sequences, enabling injection into HTTP resp...

CVE-2002-2272

CVE-2002-2272 affects Tomcat 4.0–4.1.12 when using mod_jk 1.2.1 with Apache 1.3–1.3.27. A remote attacker can cause a denial of service by sending an HTTP GET request that uses a Transfer-Encoding chunked field with invalid values, leading to desynchronized communications between Apache and Tomca...

CVE-1999-0678

CVE-1999-0678 affects the Apache server configured on Debian GNU/Linux where the default ServerRoot is /usr/doc. This misconfiguration allows remote users to read documentation files for the entire server via the web interface. The issue is caused by serving the /usr/doc directory as part of the ...

CVE-2009-2699

The vulnerability CVE-2009-2699 affects the Solaris pollset feature in the Event Port backend (poll/unix/port.c) of the Apache Portable Runtime (APR) library prior to 1.3.9, as used by Apache HTTP Server prior to 2.2.14 and other products. The issue arises from improper error handling in the Sola...

CVE-2008-2364

The CVE-2008-2364 entry concerns the Apache HTTP Server mod_proxy, specifically the ap_proxy_http_process_response function in the mod_proxy_http.c file for Apache versions 2.0.63 and 2.2.8. The issue is that it does not cap the number of forwarded interim responses, which can lead to memory exha...

CVE-2007-1741

CVE-2007-1741 affects Apache HTTP Server (httpd) and its suexec module (v2.2.3). The issue comprises multiple race conditions between directory/file validation and their usage in suexec, enabling local users to gain privileges and execute arbitrary code by renaming directories or performing symli...

CVE-2017-9789

CVE-2017-9789 concerns Apache httpd 2.4.26. The HTTP/2 handling code may access memory after it has been freed when under stress (closing many connections), leading to erratic behavior. Connected advisories confirm the vulnerability is in mod_http2 and suggest upgrading to a fixed version (e.g., ...

CVE-2006-3918

CVE-2006-3918 is an Apache HTTP Server/IBM HTTP Server issue where the HTTP Expect header is not sanitized when echoed back in error messages, enabling potential cross-site scripting via headers (as demonstrated with Flash/other clients). Affected products and versions include Apache HTTP Server ...

CVE-2024-43394

Summary of CVE-2024-43394 : A Server-Side Request Forgery (SSRF) in Apache HTTP Server on Windows could leak NTLM hashes via unvalidated input passed through mod_rewrite or Apache expressions. Affected versions are 2.4.0 through 2.4.63. The issue stems from how UNC paths may be unwittingly used, ...

CVE-2007-6388

CVE-2007-6388 is an XSS vulnerability in Apache HTTP Server mod_status when the server-status page is enabled. The initial description covers affected versions: Apache HTTP Server 2.2.0–2.2.6, 2.0.35–2.0.61, and 1.3.2–1.3.39, with arbitrary web script/HTML injection possible via unspecified vecto...

CVE-2009-3720

CVE-2009-3720 affects Expat 2.0.1 (libexpat) and its use in Python, PyXML, w3c-libwww, etc. Root cause: in lib/xmltok_impl.c, updatePosition handles crafted UTF-8 sequences, causing a buffer over-read and potential application crash (DoS). Connected documents confirm exploits are not detailed bey...

CVE-2024-43204

CVE-2024-43204 affects Apache HTTP Server when mod_proxy is loaded. The vulnerability permits SSRF by sending outbound proxy requests to a URL controlled by the attacker, requiring an unlikely configuration in which mod_headers modifies the Content-Type header with a value provided in the HTTP re...

CVE-2006-5752

CVE-2006-5752 is a cross-site scripting (XSS) vulnerability in the Apache HTTP Server mod_status component when ExtendedStatus is enabled and a public server-status page is used. The issue arises via browsers performing charset detection when the content-type is not specified, allowing remote att...

CVE-2009-3560

CVE-2009-3560 is an Expat 2.0.1 XML parsing vulnerability (big2_toUtf8 in libxmltok.c) that can cause a denial of service via malformed UTF-8 sequences in XML, triggering a buffer over-read in doProlog. Connected docs reference Expat/XML parsing context and list vulnerable products/versions; howe...

CVE-2003-0542

The CVE-2003-0542 entry applies to Apache before 1.3.29, where multiple stack-based buffer overflows affect mod_alias and mod_rewrite. The root cause is a vulnerability in a regular expression with more than 9 captures, allowing an attacker to crash the server or execute arbitrary code via crafte...

CVE-2002-0392

Affected software: Apache HTTP Server 1.3.x (up to 1.3.24) and 2.0.x (up to 2.0.36). The vulnerability arises from processing chunk-encoded HTTP requests, causing Apache to compute an incorrect size, which can lead to a remote denial of service and, in some reports, potential arbitrary code execu...

CVE-2007-6420

The CVE-2007-6420 issue is a CSRF vulnerability in the balancer-manager interface of Apache HTTP Server 2.2.x (mod_proxy_balancer). The vulnerability could allow remote attackers to gain privileges via unspecified vectors affecting the balancer-management UI. Connected advisories indicate multipl...

CVE-2025-54090

Summary of CVE-2025-54090 : The issue affects Apache HTTP Server, specifically version 2.4.64, where all "RewriteCond expr ..." tests evaluate as true due to a bug in the expression evaluation. The remedy is to upgrade to version 2.4.65, which includes the fix. The provided connected documents co...

CVE-2007-4465

The CVE-2007-4465 entry covers an XSS in Apache httpd’s mod_autoindex.c (pre-2.2.6) where an undefined page charset allows injection via the P parameter using UTF-7. Impact is cross-site scripting; remediation is to upgrade Apache httpd to 2.2.6 or newer (as per the cited advisory). The descripti...

CVE-2007-6422

CVE-2007-6422 affects Apache HTTP Server 2.2.0–2.2.6 when using a threaded MPM. The vulnerability in the mod_proxy_balancer module allows remote authenticated users to cause a denial of service by triggering a crash of the Apache child process via an invalid bb variable. This is documented in mul...

CVE-2004-1082

CVE-2004-1082 affects Apache 1.3.31 and 1.3.32 on Mac OS X Server. The vulnerability arises in mod_digest_apple where the server does not properly verify the nonce in a client response, allowing remote attackers to replay credentials. The NVD entry (CVSS v2 base score 7.5, HIGH) indicates a netwo...

CVE-2003-0020

CVE-2003-0020 concerns Apache HTTP Server: the product does not filter terminal escape sequences from error logs, enabling potential insertion of escape sequences into terminal emulators vulnerable to such sequences. Connected documents show multiple related CVEs affecting different Apache branch...

CVE-2010-1623

The CVE-2010-1623 issue affects the APR-util library (apr_brigade_split_line in buckets/apr_brigade.c) prior to version 1.3.10, where a memory leak can allow remote attackers to cause denial of service through memory consumption related to APR bucket destruction. Affected products commonly includ...

CVE-2007-6421

CVE-2007-6421 is an XSS vulnerability in Apache HTTP Server 2.2.0–2.2.6 within the balancer-manager component of mod_proxy_balancer. An attacker could inject arbitrary script/HTML via the (1) ss, (2) wr, or (3) rr parameters, or via the URL. Affected product: Apache httpd 2.2.x (balancer-manager)...

CVE-2009-3094

The CVE-2009-3094 issue affects Apache HTTP Server’s mod_proxy_ftp (ap_proxy_ftp_handler in proxy modules) and is caused by insufficient input validation in responses to EPSV commands. This allowed remote FTP servers to trigger a NULL pointer dereference, crashing a child httpd process and causin...

CVE-2006-4154

CVE-2006-4154 describes a format-string vulnerability in the Apache mod_tcl module (version 1.0 for Apache 2.x). The root cause is format string handling in calls to set_var (in tcl_cmds.c and tcl_core.c), allowing a remote attacker to execute arbitrary code with the httpd process privileges. Aff...

CVE-2012-3502

Apache HTTP Server 2.4.x before 2.4.3 is affected by CVE-2012-3502. The vulnerability lies in the proxy components (mod_proxy_ajp.c and mod_proxy_http.c) where the server does not correctly determine when to close a back-end connection, allowing an attacker to read a response intended for a diffe...

CVE-2005-1268

CVE-2005-1268 is an off-by-one overflow in Apache mod_ssl CRL verification callback when using a CRL, enabling a remote attacker to cause an Apache child process crash (DoS). Several advisories note this vulnerability and document patches/upstream fixes in Apache httpd releases; e.g., Red Hat/Cen...