CVE-2026-57941

A Use After Free vulnerability exists in Apache HTTP Server versions 2.4.0 through 2.4.68 . The flaw is located within the mod_http2 component and is triggered via shared session->bbtmp re-entrancy . This vulnerability can lead to a wild write , and the security impact is rated as moderate . N...

CVE-2026-48913

The Apache HTTP Server contains a Use After Free vulnerability in the mod_http2 module, occurring when file handles are exhausted. This flaw affects versions 2.4.55 through 2.4.67 . Exploitation of this memory corruption vulnerability may allow a remote attacker to cause a denial of service or ac...

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-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-2001-1556

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

CVE-2010-2791

The CVE-2010-2791 issue affects Apache HTTP Server 2.2.x on Unix, where mod_proxy in httpd can fail to close the backend connection after a timeout while reading from a persistent connection. This can allow a remote attacker to obtain a potentially sensitive response intended for another client u...

CVE-2005-3357

CVE-2005-3357 affects mod_ssl in Apache 2.0 up to 2.0.55; when using an SSL vhost with access control and a custom 400 error page, a non-SSL request to an SSL port can trigger a NULL pointer dereference, causing a denial of service. Remediation/version is not specified in the provided documents.

CVE-2003-0987

CVE-2003-0987 affects Apache’s mod_digest prior to 1.3.31, where nonce verification using an AuthNonce secret can enable a replay attack. Affected component: mod_digest in the Apache HTTP Server. Root cause: improper nonce validation allows interception and replay of Digest authentication sequenc...

CVE-2003-0132

CVE-2003-0132: Apache 2.0 up to 2.0.44 is vulnerable to a memory-leak DoS via large sequences of linefeed characters. The issue arises because Apache may allocate memory (about 80 bytes per linefeed), enabling remote denial-of-service. OpenVAS entries summarize the vulnerability as a linefeed mem...

CVE-2026-34356

The Apache HTTP Server (versions 2.4.0 through 2.4.67 ) is vulnerable to a heap-based buffer overflow when interacting with malicious backend servers using ProxyPassReverseCookie *. The root cause involves operations occurring outside the buffer in memory, specifically within the modules/proxy/pr...

CVE-1999-0070

CVE-1999-0070 is associated with the generic test-cgi script vulnerability where an attacker can list files on the server. Red Hat and CVE listings confirm the issue stems from the test-cgi script. The Nessus plugin details an information-disclosure/remote command-execution style flaw: the script...

CVE-2026-56154

A Use After Free vulnerability exists in the mod_rewrite module of the Apache HTTP Server (versions 2.4.0 through 2.4.68 ). The flaw is triggered when using lookahead functionality, specifically via the %{LA-U:HTTP:...} syntax. While the CVSS 3.1 score indicates a CRITICAL severity of 9.8 with po...

CVE-2011-1928

The CVE-2011-1928 issue affects the APR library’s fnmatch implementation (apr_fnmatch.c) in APR 1.4.3/1.4.4 and Apache HTTP Server 2.2.18, causing an infinite-loop DoS when processing certain URIs due to an incorrect fix for CVE-2011-0419. Connected advisories note the problem is triggered by wil...

CVE-1999-0289

The CVE-1999-0289 entry concerns the Apache HTTP Server for Win32. Affected component: the Web server handling URLs; issue described as: the server may provide access to restricted files when a "." is appended to a requested URL. The core impact is restricted-file disclosure. Public details acros...

CVE-2004-0493

The CVE-2004-0493 entry relates to Apache httpd 2.0.x prior to 2.0.50, where long MIME header lines with excessive spaces/tabs can cause memory exhaustion and, on 64-bit systems, a potential heap-based buffer overflow. Connected advisories confirm DoS concerns across Apache 2.0.x and related modu...

CVE-2004-0747

CVE-2004-0747 describes a local buffer overflow in Apache HTTP Server versions 2.0.50 and earlier, triggered by expansion of environment variables in .htaccess or server configuration files. The underlying issue involves copying environment data into a fixed-size buffer (ap_resolve_env) via strin...

CVE-2002-0839

CVE-2002-0839 affects Apache 1.3.x prior to 1.3.27. The vulnerability stems from the shared memory scoreboard in the HTTP daemon, where a user running as the Apache UID can modify parent[].pid and parent[].last_rtime, enabling the process to receive a SIGUSR1 signal with potential root-level effe...

CVE-2026-79768

The Apache HTTP Server versions 2.4.0 through 2.4.68 are vulnerable to a path equivalence issue (CWE-55) within the mod_userdir module. The vulnerability occurs when the module is configured with an absolute non-wildcard UserDir directive . This flaw can lead to information disclosure . No specif...

CVE-2002-0843

CVE-2002-0843 affects Apache httpd’s ApacheBench benchmark tool (ab.c). The description specifies buffer overflows in ab.c that occur in Apache before 1.3.27 and in Apache 2.x before 2.0.43. A malicious web server can trigger a long response to cause a denial of service and potentially execute ar...

CVE-2007-6514

CVE-2007-6514 affects Apache HTTP Server when run on Linux with a document root on a Windows SMB share mounted via smbfs. The vulnerability arises from a trailing backslash () not being handled by the AddType directive, allowing remote attackers to disclose unprocessed contents of PHP files (e.g....

CVE-1999-0067

CVE-1999-0067 affects the phf CGI program that is included with NCSA httpd-derived web servers. The vulnerability allows remote command execution by supplying shell metacharacters in input processed by the phf CGI script, due to inadequate input sanitization. The issue can execute commands with t...

CVE-2003-0192

CVE-2003-0192 describes an issue in Apache 2.x before 2.0.47 (and mod_ssl for Apache 1.3) where certain sequences of per-directory renegotiations combined with using SSLCipherSuite to upgrade a weak cipher could cause the server to continue using a weak cipher. The connected advisories confirm af...

CVE-2001-0925

The CVE-2001-0925 entry describes a vulnerability in the default installation of Apache prior to 1.3.19 where a crafted HTTP request containing many slashes can cause directory listings (instead of the multiview index) due to mishandling by mod_negotiation, mod_dir, or mod_autoindex. Affected sof...

CVE-2026-33523

The Apache HTTP Server is vulnerable to an HTTP response splitting vulnerability affecting multiple modules when interacting with untrusted or compromised backend servers. This issue impacts versions through 2.4.66 . Successful exploitation could allow an attacker to compromise the confidentialit...

CVE-2001-0131

CVE-2001-0131 is linked in Debian/OpenVAS advisories (e.g., DSA 021-1/188, OpenVAS entries) and references Apache components, but the connected documents do not provide detailed technical description of the root cause or explicit fixes beyond noting the vulnerability and CVSS scores. The Debian/O...

CVE-2004-0809

CVE-2004-0809 affects the Apache mod_dav WebDAV module in Apache 2.0.50 and earlier, allowing remote attackers to cause a denial of service (child process crash) via a particular sequence of LOCK requests for locations with WebDAV access. Connected documents in OpenVAS/Tenable references corrobor...

CVE-2005-2970

CVE-2005-2970 is described across multiple advisories as a memory-leak vulnerability in the Apache httpd worker MPM (worker.c). In affected setups, memory consumed by aborted connections could not be freed for new requests, enabling a remote attacker to trigger a Denial of Service via memory exha...

CVE-2026-58415

The Apache HTTP Server is vulnerable to an information disclosure flaw in the mod_dav_fs module (versions 2.4.0 through 2.4.68 ) on all platforms. A remote attacker can perform a GET request directly to the internal .DAV state directory to read internal state files. This allows unauthorized acces...

CVE-2000-0505

The CVE-2000-0505 entry concerns the Apache HTTP Server on Windows (Win32) in the 1.3.x line. The vulnerability allows remote attackers to list directory contents by issuing a URL containing a large sequence of forward slashes, which triggers directory listing of the web root as configured in htt...

CVE-2007-1863

CVE-2007-1863 affects the Apache HTTP Server, specifically the mod_cache module. When caching is enabled and using a threaded MPM, a crafted request containing one of the Cache-Control headers (s-maxage, max-age, min-fresh, or max-stale) without a value can crash the Apache child process, causing...

CVE-2003-1307

Summary: CVE-2003-1307 affects the mod_php module of the Apache HTTP Server. Vulnerability: Local users with write access to PHP scripts can signal the server’s process group and manipulate server file descriptors, demonstrated by sending a STOP signal and intercepting connections on the server’s...

CVE-2004-0174

CVE-2004-0174 affects Apache HTTP Server via a denial-of-service condition caused by handling multiple listening sockets. OpenVAS entries describe the vulnerability as applicable to Apache versions older than 2.0.49 or 1.3.31, where a remote attacker can block new connections by targeting a rarel...

CVE-2002-0654

CVE-2002-0654 affects Apache HTTP Server 2.0.x (up to 2.0.39) on Windows, OS/2 and NetWare. The vulnerability allows remote attackers to disclose the server’s full path by triggering errors from (1) a request for a .var file or (2) a failure when invoking a CGI child process, causing error messag...

CVE-2003-0016

CVE-2003-0016 refers to the Apache HTTP Server vulnerability where, on Windows 9x/Me, an HTTP request containing MS-DOS device names could remotely cause a denial of service or enable arbitrary code execution. Public sources in the connected documents consistently describe this as a flaw in filte...

CVE-2009-1191

CVE-2009-1191 affects the Apache HTTP Server, specifically the mod_proxy_ajp component in 2.2.11. The issue allows a remote attacker to obtain sensitive response data intended for a client that sent an earlier POST request with no request body, via a crafted HTTP request. Connected advisories not...

CVE-2001-1534

CVE-2001-1534 affects Apache with the mod_usertrack module (versions 1.3.11–1.3.20). The vulnerability arises from generating session IDs with predictable information (host IP, system time, server PID), enabling local users to obtain session IDs and bypass authentication when those IDs are used f...

CVE-2026-93546

The Apache HTTP Server (version 2.4.68 and prior) is vulnerable to an integer overflow in the mod_dav_fs component. An authenticated WebDAV client with write access can crash worker processes and cause persistent corruption of a directory's property database. This is achieved by sending PROPPATCH...

CVE-2004-0811

Technical details about CVE-2004-0811 are not publicly available in the provided connected documents. Please monitor for updates for affected products, exact vectors, impact, and remediation information.

CVE-2004-0113

CVE-2004-0113 affects Apache httpd with mod_ssl on Apache 2 before 2.0.49. A memory leak in ssl_engine_io.c can be triggered by plain HTTP requests to the SSL port, leading to denial of service via memory consumption. Affected product is Apache HTTP Server with mod_ssl; root cause is a leak in SS...

CVE-1999-0045

CVE-1999-0045 concerns an information-disclosure flaw in the nph-test-cgi script used by some web servers, where an unauthenticated attacker can list directory contents. The Nessus plugin (NCDSA HTTPd nph-test-cgi Arbitrary Directory Listing) explains that the issue arises because the script does...

CVE-2000-0869

CVE-2000-0869: The default Apache 1.3.12 configuration on SuSE Linux 6.4 enables WebDAV, allowing remote attackers to list arbitrary directories via the PROPFIND method. This results in information disclosure about directory structure. The issue is tied to the WebDAV module being active by defaul...

CVE-2002-0661

Apache HTTP Server 2.0.x up to 2.0.39 on Windows/OS2/Netware is affected by CVE-2002-0661 through a directory traversal flaw. An attacker can use backslash-embedded ... sequences to read arbitrary files and, per sources, potentially execute commands via the vulnerable path. The issue is fixed in ...

CVE-2004-1834

The CVE-2004-1834 issue affects mod_disk_cache in Apache 2.0–2.0.49, which stores client headers (including authentication information) on disk, potentially allowing local users to access sensitive data. The provided documents confirm the vulnerability description but do not specify a concrete fi...

CVE-1999-1053

CVE-1999-1053 relates to the guestbook.pl CGI which sanitizes Server-Side Includes by stripping text between . The provided data confirms a vulnerability where this sanitization is incomplete, allowing remote attackers to execute arbitrary commands when guestbook.pl runs on Apache 1.3.9 and poten...

CVE-1999-1199

The CVE-1999-1199 entry concerns Apache HTTP Server 1.3.1 and earlier. A remote attacker can trigger a denial of service by sending a large number of MIME headers with the same name (the so‑called “sioux” vulnerability). The NVD entry assigns a base score of 10.0 (HIGH) with NETWORK attack vector...

CVE-2004-0263

Technical details (affected product/version, root cause, impact, and remediation) are not publicly provided in the supplied connected documents. Monitor for updates.

CVE-2004-0786

CVE-2004-0786 concerns a vulnerability in the apr-util IPv6 URI parsing (apr_uri_parse) used by Apache 2.x (APR library) prior to 2.0.50. A crafted IPv6 URL can trigger a denial-of-service in the httpd child process, with remote code execution possible under certain configurations or platforms. A...

CVE-1999-0071

CVE-1999-0071 affects the Apache httpd server prior to 1.1.2 (versions 1.1.1 and earlier) due to a cookie header buffer overflow. The root cause is a vulnerable handling of the HTTP Cookie header (too long name/value) that can cause the server to crash. Some connected sources describe the impact ...

CVE-2002-1658

CVE-2002-1658 describes a buffer overflow in htdigest used by Apache 1.3.26/1.3.27 that may allow arbitrary code execution via a long user argument. The vulnerability is tied to htdigest functionality, with local access as the attack vector and no setuid/setgid context; escalation of privileges i...

CVE-2007-1862

The CVE-2007-1862 issue affects Apache 2.2.4’s mod_mem_cache recall_headers, where not all header levels are copied, potentially causing HTTP responses to include previously used data. This could lead to information disclosure to remote attackers. Connected advisories confirm affected packages an...