Vulnerabilities (CVE)

Filtered by vendor Apache Subscribe
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2003-0020 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
Apache does not filter terminal escape sequences from its error logs, which could make it easier for attackers to insert those sequences into terminal emulators containing vulnerabilities related to escape sequences.
CVE-2014-0118 1 Apache 1 Http Server 2021-06-06 4.3 MEDIUM N/A
The deflate_in_filter function in mod_deflate.c in the mod_deflate module in the Apache HTTP Server before 2.4.10, when request body decompression is enabled, allows remote attackers to cause a denial of service (resource consumption) via crafted request data that decompresses to a much larger size.
CVE-2016-0736 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM 7.5 HIGH
In Apache HTTP Server versions 2.4.0 to 2.4.23, mod_session_crypto was encrypting its data/cookie using the configured ciphers with possibly either CBC or ECB modes of operation (AES256-CBC by default), hence no selectable or builtin authenticated encryption. This made it vulnerable to padding oracle attacks, particularly with CBC.
CVE-2012-0031 1 Apache 1 Http Server 2021-06-06 4.6 MEDIUM N/A
scoreboard.c in the Apache HTTP Server 2.2.21 and earlier might allow local users to cause a denial of service (daemon crash during shutdown) or possibly have unspecified other impact by modifying a certain type field within a scoreboard shared memory segment, leading to an invalid call to the free function.
CVE-2014-3583 3 Apache, Apple, Canonical 4 Http Server, Mac Os X, Os X Server and 1 more 2021-06-06 5.0 MEDIUM N/A
The handle_headers function in mod_proxy_fcgi.c in the mod_proxy_fcgi module in the Apache HTTP Server 2.4.10 allows remote FastCGI servers to cause a denial of service (buffer over-read and daemon crash) via long response headers.
CVE-2010-2068 4 Apache, Ibm, Microsoft and 1 more 4 Http Server, Os2, Windows and 1 more 2021-06-06 5.0 MEDIUM N/A
mod_proxy_http.c in mod_proxy_http in the Apache HTTP Server 2.2.9 through 2.2.15, 2.3.4-alpha, and 2.3.5-alpha on Windows, NetWare, and OS/2, in certain configurations involving proxy worker pools, does not properly detect timeouts, which allows remote attackers to obtain a potentially sensitive response intended for a different client in opportunistic circumstances via a normal HTTP request.
CVE-2014-0117 2 Apache, Apple 2 Http Server, Mac Os X 2021-06-06 4.3 MEDIUM N/A
The mod_proxy module in the Apache HTTP Server 2.4.x before 2.4.10, when a reverse proxy is enabled, allows remote attackers to cause a denial of service (child-process crash) via a crafted HTTP Connection header.
CVE-2019-10081 2 Apache, Debian 2 Http Server, Debian Linux 2021-06-06 5.0 MEDIUM 7.5 HIGH
HTTP/2 (2.4.20 through 2.4.39) very early pushes, for example configured with "H2PushResource", could lead to an overwrite of memory in the pushing request's pool, leading to crashes. The memory copied is that of the configured push link header values, not data supplied by the client.
CVE-2014-3581 1 Apache 1 Apache Http Server 2021-06-06 5.0 MEDIUM N/A
The cache_merge_headers_out function in modules/cache/cache_util.c in the mod_cache module in the Apache HTTP Server before 2.4.11 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty HTTP Content-Type header.
CVE-2014-0098 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server before 2.4.8 allows remote attackers to cause a denial of service (segmentation fault and daemon crash) via a crafted cookie that is not properly handled during truncation.
CVE-2018-8011 2 Apache, Netapp 2 Http Server, Cloud Backup 2021-06-06 5.0 MEDIUM 7.5 HIGH
By specially crafting HTTP requests, the mod_md challenge handler would dereference a NULL pointer and cause the child process to segfault. This could be used to DoS the server. Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.33).
CVE-2001-0730 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
split-logfile in Apache 1.3.20 allows remote attackers to overwrite arbitrary files that end in the .log extension via an HTTP request with a / (slash) in the Host: header.
CVE-2015-0253 3 Apache, Apple, Oracle 5 Http Server, Mac Os X, Mac Os X Server and 2 more 2021-06-06 5.0 MEDIUM N/A
The read_request_line function in server/protocol.c in the Apache HTTP Server 2.4.12 does not initialize the protocol structure member, which allows remote attackers to cause a denial of service (NULL pointer dereference and process crash) by sending a request that lacks a method to an installation that enables the INCLUDES filter and has an ErrorDocument 400 directive specifying a local URI.
CVE-2014-3523 2 Apache, Microsoft 2 Http Server, Windows 2021-06-06 5.0 MEDIUM N/A
Memory leak in the winnt_accept function in server/mpm/winnt/child.c in the WinNT MPM in the Apache HTTP Server 2.4.x before 2.4.10 on Windows, when the default AcceptFilter is enabled, allows remote attackers to cause a denial of service (memory consumption) via crafted requests.
CVE-2003-0789 1 Apache 1 Http Server 2021-06-06 10.0 HIGH N/A
mod_cgid in Apache before 2.0.48, when using a threaded MPM, does not properly handle CGI redirect paths, which could cause Apache to send the output of a CGI program to the wrong client.
CVE-2003-0189 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
The authentication module for Apache 2.0.40 through 2.0.45 on Unix does not properly handle threads safely when using the crypt_r or crypt functions, which allows remote attackers to cause a denial of service (failed Basic authentication with valid usernames and passwords) when a threaded MPM is used.
CVE-2012-0021 1 Apache 1 Http Server 2021-06-06 2.6 LOW N/A
The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server 2.2.17 through 2.2.21, when a threaded MPM is used, does not properly handle a %{}C format string, which allows remote attackers to cause a denial of service (daemon crash) via a cookie that lacks both a name and a value.
CVE-2003-0254 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
Apache 2 before 2.0.47, when running on an IPv6 host, allows attackers to cause a denial of service (CPU consumption by infinite loop) when the FTP proxy server fails to create an IPv6 socket.
CVE-2010-0408 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
The ap_proxy_ajp_request function in mod_proxy_ajp.c in mod_proxy_ajp in the Apache HTTP Server 2.2.x before 2.2.15 does not properly handle certain situations in which a client sends no request body, which allows remote attackers to cause a denial of service (backend server outage) via a crafted request, related to use of a 500 error code instead of the appropriate 400 error code.
CVE-2014-0231 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
The mod_cgid module in the Apache HTTP Server before 2.4.10 does not have a timeout mechanism, which allows remote attackers to cause a denial of service (process hang) via a request to a CGI script that does not read from its stdin file descriptor.
CVE-2001-0729 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
Apache 1.3.20 on Windows servers allows remote attackers to bypass the default index page and list directory contents via a URL with a large number of / (slash) characters.
CVE-2016-4975 1 Apache 1 Http Server 2021-06-06 4.3 MEDIUM 6.1 MEDIUM
Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the "Location" or other outbound header key or value. Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23). Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31).
CVE-2004-0492 5 Apache, Hp, Ibm and 2 more 7 Http Server, Virtualvault, Vvos and 4 more 2021-06-06 10.0 HIGH N/A
Heap-based buffer overflow in proxy_util.c for mod_proxy in Apache 1.3.25 to 1.3.31 allows remote attackers to cause a denial of service (process crash) and possibly execute arbitrary code via a negative Content-Length HTTP header field, which causes a large amount of data to be copied.
CVE-2017-7668 1 Apache 1 Http Server 2021-06-06 7.5 HIGH 9.8 CRITICAL
The HTTP strict parsing changes added in Apache httpd 2.2.32 and 2.4.24 introduced a bug in token list parsing, which allows ap_find_token() to search past the end of its input string. By maliciously crafting a sequence of request headers, an attacker may be able to cause a segmentation fault, or to force ap_find_token() to return an incorrect value.
CVE-2011-3348 1 Apache 1 Http Server 2021-06-06 4.3 MEDIUM N/A
The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary "error state" in the backend server) via a malformed HTTP request.
CVE-2004-0488 8 Apache, Gentoo, Mandrakesoft and 5 more 10 Http Server, Linux, Mandrake Linux and 7 more 2021-06-06 7.5 HIGH N/A
Stack-based buffer overflow in the ssl_util_uuencode_binary function in ssl_util.c for Apache mod_ssl, when mod_ssl is configured to trust the issuing CA, may allow remote attackers to execute arbitrary code via a client certificate with a long subject DN.
CVE-2003-0993 1 Apache 1 Http Server 2021-06-06 7.5 HIGH N/A
mod_access in Apache 1.3 before 1.3.30, when running big-endian 64-bit platforms, does not properly parse Allow/Deny rules using IP addresses without a netmask, which could allow remote attackers to bypass intended access restrictions.
CVE-2004-1834 1 Apache 1 Http Server 2021-06-06 2.1 LOW N/A
mod_disk_cache in Apache 2.0 through 2.0.49 stores client headers, including authentication information, on the hard disk, which could allow local users to gain sensitive information.
CVE-2018-1312 5 Apache, Canonical, Debian and 2 more 8 Http Server, Ubuntu Linux, Debian Linux and 5 more 2021-06-06 6.8 MEDIUM 9.8 CRITICAL
In Apache httpd 2.2.0 to 2.4.29, when generating an HTTP Digest authentication challenge, the nonce sent to prevent reply attacks was not correctly generated using a pseudo-random seed. In a cluster of servers using a common Digest authentication configuration, HTTP requests could be replayed across servers by an attacker without detection.
CVE-2016-5387 5 Apache, Fedoraproject, Hp and 2 more 7 Http Server, Fedora, System Management Homepage and 4 more 2021-06-06 5.1 MEDIUM 8.1 HIGH
The Apache HTTP Server through 2.4.23 follows RFC 3875 section 4.1.18 and therefore does not protect applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, aka an "httpoxy" issue. NOTE: the vendor states "This mitigation has been assigned the identifier CVE-2016-5387"; in other words, this is not a CVE ID for a vulnerability.
CVE-2003-0987 1 Apache 1 Http Server 2021-06-06 7.5 HIGH N/A
mod_digest for Apache before 1.3.31 does not properly verify the nonce of a client response by using a AuthNonce secret.
CVE-2011-4317 1 Apache 1 Http Server 2021-06-06 4.3 MEDIUM N/A
The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21, when the Revision 1179239 patch is in place, does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows remote attackers to send requests to intranet servers via a malformed URI containing an @ (at sign) character and a : (colon) character in invalid positions. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-3368.
CVE-2004-0113 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
Memory leak in ssl_engine_io.c for mod_ssl in Apache 2 before 2.0.49 allows remote attackers to cause a denial of service (memory consumption) via plain HTTP requests to the SSL port of an SSL-enabled server.
CVE-2017-3169 1 Apache 1 Http Server 2021-06-06 7.5 HIGH 9.8 CRITICAL
In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_ssl may dereference a NULL pointer when third-party modules call ap_hook_process_connection() during an HTTP request to an HTTPS port.
CVE-2004-0174 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
Apache 1.4.x before 1.3.30, and 2.0.x before 2.0.49, when using multiple listening sockets on certain platforms, allows remote attackers to cause a denial of service (blocked new connections) via a "short-lived connection on a rarely-accessed listening socket."
CVE-2017-9788 6 Apache, Apple, Debian and 3 more 16 Http Server, Mac Os X, Debian Linux and 13 more 2021-06-06 6.4 MEDIUM 9.1 CRITICAL
In Apache httpd before 2.2.34 and 2.4.x before 2.4.27, the value placeholder in [Proxy-]Authorization headers of type 'Digest' was not initialized or reset before or between successive key=value assignments by mod_auth_digest. Providing an initial key with no '=' assignment could reflect the stale value of uninitialized pool memory used by the prior request, leading to leakage of potentially confidential information, and a segfault in other cases resulting in denial of service.
CVE-2009-0023 1 Apache 1 Apr-util 2021-06-06 4.3 MEDIUM N/A
The apr_strmatch_precompile function in strmatch/apr_strmatch.c in Apache APR-util before 1.3.5 allows remote attackers to cause a denial of service (daemon crash) via crafted input involving (1) a .htaccess file used with the Apache HTTP Server, (2) the SVNMasterURI directive in the mod_dav_svn module in the Apache HTTP Server, (3) the mod_apreq2 module for the Apache HTTP Server, or (4) an application that uses the libapreq2 library, which triggers a heap-based buffer underflow.
CVE-2019-0196 3 Apache, Canonical, Debian 3 Http Server, Ubuntu Linux, Debian Linux 2021-06-06 5.0 MEDIUM 5.3 MEDIUM
A vulnerability was found in Apache HTTP Server 2.4.17 to 2.4.38. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining the method of a request and thus process the request incorrectly.
CVE-2015-3185 3 Apache, Apple, Canonical 5 Http Server, Mac Os X, Mac Os X Server and 2 more 2021-06-06 4.3 MEDIUM N/A
The ap_some_auth_required function in server/request.c in the Apache HTTP Server 2.4.x before 2.4.14 does not consider that a Require directive may be associated with an authorization setting rather than an authentication setting, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances by leveraging the presence of a module that relies on the 2.2 API behavior.
CVE-2003-0245 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
Vulnerability in the apr_psprintf function in the Apache Portable Runtime (APR) library for Apache 2.0.37 through 2.0.45 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via long strings, as demonstrated using XML objects to mod_dav, and possibly other vectors.
CVE-2009-3094 1 Apache 1 Http Server 2021-06-06 2.6 LOW N/A
The ap_proxy_ftp_handler function in modules/proxy/proxy_ftp.c in the mod_proxy_ftp module in the Apache HTTP Server 2.0.63 and 2.2.13 allows remote FTP servers to cause a denial of service (NULL pointer dereference and child process crash) via a malformed reply to an EPSV command.
CVE-2004-0751 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
The char_buffer_read function in the mod_ssl module for Apache 2.x, when using reverse proxying to an SSL server, allows remote attackers to cause a denial of service (segmentation fault).
CVE-2004-0809 8 Apache, Conectiva, Gentoo and 5 more 12 Http Server, Linux, Linux and 9 more 2021-06-06 5.0 MEDIUM N/A
The mod_dav module in Apache 2.0.50 and earlier allows remote attackers to cause a denial of service (child process crash) via a certain sequence of LOCK requests for a location that allows WebDAV authoring access.
CVE-2004-0885 1 Apache 1 Http Server 2021-06-06 7.5 HIGH N/A
The mod_ssl module in Apache 2.0.35 through 2.0.52, when using the "SSLCipherSuite" directive in directory or location context, allows remote clients to bypass intended restrictions by using any cipher suite that is allowed by the virtual host configuration.
CVE-2003-0542 1 Apache 1 Http Server 2021-06-06 7.2 HIGH N/A
Multiple stack-based buffer overflows in (1) mod_alias and (2) mod_rewrite for Apache before 1.3.29 allow attackers to create configuration files to cause a denial of service (crash) or execute arbitrary code via a regular expression with more than 9 captures.
CVE-2002-1592 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
The ap_log_rerror function in Apache 2.0 through 2.035, when a CGI application encounters an error, sends error messages to the client that include the full path for the server, which allows remote attackers to obtain sensitive information.
CVE-2009-2412 1 Apache 2 Apr-util, Portable Runtime 2021-06-06 10.0 HIGH N/A
Multiple integer overflows in the Apache Portable Runtime (APR) library and the Apache Portable Utility library (aka APR-util) 0.9.x and 1.3.x allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors that trigger crafted calls to the (1) allocator_alloc or (2) apr_palloc function in memory/unix/apr_pools.c in APR; or crafted calls to the (3) apr_rmm_malloc, (4) apr_rmm_calloc, or (5) apr_rmm_realloc function in misc/apr_rmm.c in APR-util; leading to buffer overflows. NOTE: some of these details are obtained from third party information.
CVE-2018-17199 5 Apache, Canonical, Debian and 2 more 6 Http Server, Ubuntu Linux, Debian Linux and 3 more 2021-06-06 5.0 MEDIUM 7.5 HIGH
In Apache HTTP Server 2.4 release 2.4.37 and prior, mod_session checks the session expiry time before decoding the session. This causes session expiry time to be ignored for mod_session_cookie sessions since the expiry time is loaded when the session is decoded.
CVE-2001-0731 1 Apache 1 Http Server 2021-06-06 5.0 MEDIUM N/A
Apache 1.3.20 with Multiviews enabled allows remote attackers to view directory contents and bypass the index page via a URL containing the "M=D" query string.
CVE-2009-1890 1 Apache 1 Http Server 2021-06-06 7.1 HIGH N/A
The stream_reqbody_cl function in mod_proxy_http.c in the mod_proxy module in the Apache HTTP Server before 2.3.3, when a reverse proxy is configured, does not properly handle an amount of streamed data that exceeds the Content-Length value, which allows remote attackers to cause a denial of service (CPU consumption) via crafted requests.