CVE-2002-0392

Apache 1.3 through 1.3.24, and Apache 2.0 through 2.0.36, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a chunk-encoded HTTP request that causes Apache to use an incorrect size.

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-2026-33007

A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration. Users are recommended to upgrade to version 2.4.67, which fixes this issue.

CVE-2026-29170

A cross-site scripting vulnerability exists in mod_proxy_ftp's HTML directory list generation in Apache HTTP Server 2.4.67 and earlier when listing FTP directory contents either via forward or reverse proxy configuration. Users are recommended to upgrade to version 2.4.68, which fixes this issue.

CVE-2026-33857

Out-of-bounds Read vulnerability in mod_proxy_ajp of Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

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-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-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-2026-34059

The Apache HTTP Server is vulnerable to a heap-based buffer over-read and memory disclosure within the mod_proxy_ajp module. The flaw exists in the ajp_parse_data() function, which occurs when the server handles short AJP replies from a backend server. A malicious actor could exploit this to disc...

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-2026-24072

An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. Users are recommended to upgrade to version 2.4.67, which fixes this issue.

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-2026-29168

Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's mod_md via OCSP response data. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

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-2026-23918

Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

CVE-2026-43951

Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response languages. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

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...

CVE-2005-3352

The CVE-2005-3352 entry documents a cross-site scripting (XSS) vulnerability in the Apache httpd mod_imap (and mod_imagemap) module. The issue arises from improper handling of the Referer header when using image maps, allowing an attacker to inject arbitrary script or HTML. Affected software is A...

CVE-2026-44185

Buffer Over-read vulnerability in Apache HTTP Server via outbound OCSP requests to an attacker controlled OCSP server This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

CVE-2008-2168

CVE-2008-2168 : The linked SUSE/NVD entries describe a cross-site scripting (XSS) vulnerability in Apache HTTP Server up to version 2.2.6 and earlier, exploitable via UTF-7 encoded URLs that are mishandled when rendering the 403 Forbidden error page. Attacker-provided URL input can inject arbitra...

CVE-2003-0789

The provided documents confirm CVE-2003-0789 is an Apache mod_cgid issue where CGI redirect paths are mishandled when using a threaded MPM, potentially causing CGI output to be sent to the wrong client. This is tied to the mod_cgid component of Apache and is discussed alongside CAN-2003-0542 (buf...

CVE-2004-0940

CVE-2004-0940 is a confirmed vulnerability: a buffer overflow in mod_include.get_tag() affects Apache 1.3.x up to 1.3.32, allowing local users who can create SSI documents to execute arbitrary code as the apache user via SSI (XSSI) documents that trigger a length calculation error. The impact is ...

CVE-2007-3304

CVE-2007-3304 affects Apache HTTP Server (httpd) with the Prefork MPM. The issue arises when a local attacker can modify the scoreboard arrays (worker_score and process_score) to reference another process, enabling the master process to send SIGUSR1 and terminate that process, potentially causing...

CVE-2026-44119

Improper Privilege Management vulnerability in Apache HTTP Server 2.4.67 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. This issue affects Apache HTTP Server: from through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the ...

CVE-2001-0731

CVE-2001-0731 affects Apache 1.3.20 when Multiviews is enabled. A remote attacker can cause a directory listing to be displayed (information disclosure) by crafting a request containing an M=D query string, bypassing normal index page behavior. Public advisories and scans consistently reference t...

CVE-2004-0488

The provided documents confirm CVE-2004-0488: a stack-based buffer overflow in the ssl_util_uuencode_binary function of ssl_util.c used by Apache mod_ssl when configured to trust the issuing CA. This can allow remote code execution via a client certificate with a long subject DN. The issue affect...

CVE-2007-1743

CVE-2007-1743 affects Apache HTTP Server (httpd) with the suexec module. The issue is that suexec (in httpd 2.2.3) does not verify combinations of user and group IDs on the command line, which might allow a local user to leverage other vulnerabilities to create arbitrary UID/GID–owned files if /p...

CVE-2006-4110

CVE-2006-4110 affects Apache 2.2.2 running on Windows. An information-disclosure vulnerability arises when the CGI directory is within the document root: requests that alter the case of the directory name bypass the ScriptAlias handler on a case-insensitive filesystem, allowing attackers to read ...

CVE-2005-1344

CVE-2005-1344 describes a buffer overflow in Apache's htdigest (version 2.0.52) that could allow arbitrary code execution via a long realm argument. The advisory notes that htdigest is typically locally accessible and not setuid/setgid, so privilege escalation is unlikely unless htdigest is invok...

CVE-2004-0942

CVE-2004-0942 affects Apache 2.0.52 and earlier. A remote attacker can trigger a denial of service by sending an HTTP GET with a MIME header containing many lines of whitespace, causing CPU/memory consumption. Public references show patches and advisories across platforms (e.g., ALT Linux package...

CVE-2007-3847

CVE-2007-3847 affects Apache httpd 2.3.x (mod_proxy) where the date handling in modules/proxy/proxy_util.c under a threaded MPM can be triggered by crafted date headers, causing a buffer over-read and remote denial of service (caching forward proxy process crash). The linked advisories indicate t...

CVE-2009-1956

CVE-2009-1956: Off-by-one error in apr_brigade_vprintf in Apache APR-util before 1.3.5 on big-endian platforms. Remote attackers could obtain sensitive information or cause a denial of service (application crash) via crafted input. Affected product: APR-util (pre-1.3.5) used with APR/httpd; impac...

CVE-2015-0253

CVE-2015-0253 affects the Apache HTTP Server 2.4.12. The vulnerability arises in the read_request_line function within server/protocol.c, where the protocol structure member is not initialized. This can enable a remote attacker to trigger a denial-of-service via a NULL pointer dereference and cra...

CVE-2004-0885

The CVE-2004-0885 entry describes a vulnerability in Apache's mod_ssl for versions 2.0.35–2.0.52 where, when using SSLCipherSuite in directory or location context, remote clients can bypass intended restrictions by selecting any cipher suite allowed by the virtual host configuration. The initial ...

CVE-2002-0840

CVE-2002-0840 is a cross-site scripting (XSS) vulnerability in the default error page of Apache. It affects Apache 2.0 before 2.0.43 and 1.3.x up to 1.3.26, when UseCanonicalName is set to off and wildcard DNS is supported. An attacker can inject script via the Host header to execute in other vis...

CVE-2008-0005

CVE-2008-0005 affects Apache httpd mod_proxy_ftp: versions prior to 2.2.7-dev, 2.0.x before 2.0.62-dev, and 1.3.x before 1.3.40-dev do not define a charset, enabling remote XSS via UTF-7 encoding. Remediation per connected advisories: upgrade to patched Apache httpd versions that backport fixes f...

CVE-2003-0993

CVE-2003-0993 concerns Apache 1.3.x mod_access on big-endian 64-bit systems. The issue arises because Allow/Deny rules that specify IP addresses without a netmask are not parsed correctly, potentially allowing remote attackers to bypass access restrictions. Multiple OpenVAS entries and vendor adv...

CVE-2007-1742

Apache HTTP Server (httpd) 2.2.3’s suexec uses a partial path comparison to determine if the current directory is within the document root. This may allow local users to operate on incorrect directories under an html directory (e.g., html_backup/htmleditor). The issue is described across multiple...

CVE-2005-2728

Apache httpd is affected by CVE-2005-2728 due to a flaw in the byte-range filter that can cause memory exhaustion and denial of service when handling HTTP requests with a large Range header, as described in multiple connected advisories. The issue affects Apache httpd 2.0.x before 2.0.54 (and var...

CVE-2009-0023

CVE-2009-0023 affects Apache APR-util prior to 1.3.5. The vulnerability in apr_strmatch_precompile (strmatch/apr_strmatch.c) can be exploited by crafted input via that library’s usage contexts (e.g., .htaccess with Apache HTTP Server, SVNMasterURI in mod_dav_svn, mod_apreq2, or applications using...

CVE-2010-0010

The CVE-2010-0010 issue affects Apache HTTP Server’s mod_proxy (proxy_util.c) on 64-bit platforms. The root cause is an integer overflow in the ap_proxy_send_fb function when handling large chunk sizes, which can trigger a heap-based buffer overflow. This condition enables a remote origin server ...

CVE-2025-3891

CVE-2025-3891 affects the Apache httpd mod_auth_openidc module. A remote, unauthenticated attacker can cause a DoS by sending an empty POST when the OIDCPreservePost directive is enabled, crashing the server and impacting availability. Evidence from multiple advisories confirms the issue and ment...

CVE-2002-0061

Apache HTTP Server on Windows (Win32) is vulnerable prior to versions 1.3.24 and 2.0.x prior to 2.0.34-beta. The flaw allows remote attackers to execute arbitrary commands by sending shell metacharacters (a pipe |) as arguments to batch (.bat) or .cmd scripts, which reach the shell interpreter (c...

CVE-2003-0245

CVE-2003-0245 concerns a vulnerability in the APR library (apr_psprintf) used by Apache 2.0.x, reported for versions 2.0.37–2.0.45. The flaw can crash the server and, in some cases, enable arbitrary code execution when triggered by long strings (notably via mod_dav) and potentially other vectors....

CVE-2001-1556

Technical details for CVE-2001-1556 are not publicly provided in the connected documents. Monitor for updates.

CVE-2003-0083

CVE-2003-0083 affects Apache 1.3.x (before 1.3.25) and Apache 2.0.x (before 2.0.46). The issue is that terminal escape sequences are not filtered from access logs, enabling insertion of escape sequences into terminal emulators vulnerable to such sequences. This is a separate vulnerability from CV...

CVE-2005-2088

The CVE-2005-2088 vulnerability affects the Apache HTTP Server when acting as an HTTP proxy. Specifically, versions before 1.3.34 and 2.0.x before 2.0.55 are susceptible. The issue arises from handling a request containing both Transfer-Encoding: chunked and Content-Length, causing the body to be...

CVE-2026-29169

A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs. The only known use-case for mod_dav_lock was mod_dav_svn from Apache Subversion earl...

CVE-2026-48913

Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.

CVE-2002-2029

CVE-2002-2029 affects PHP on Windows with Apache when ScriptAlias /php/ is set to c:/php/. A remote attacker can read arbitrary files and potentially execute arbitrary programs by requesting php.exe with a filename in the query string. Root cause is a configuration vulnerability enabling direct e...