HS
Web Server
HTTP Server
by Apache · last CVE Oct 1, 2026
On CISA KEVExploited in the wildRansomware-linked
351
CVEs
5
On KEV
9.8
Max CVSS
20
New 30D
Severity mix
Critical 33High 93Medium 43Low 1
Watch

Add HTTP Server to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2011-3639
–
50%
Nov 30
The mod_proxy module in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x before 2.2.18, when the Revision 1179239 patch is in place, does not properly interact with use of…
Affected: 2.0.11; 2.0.12; 2.0.13; 2.0.14; 2.0.15; 2.0.16; +34 more
CVE-2011-4415
–
3%
Nov 8
The ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, does not restrict the…
Affected: 2.0; 2.0.9; 2.0.28; 2.0.28; 2.0.32; 2.0.32; +34 more
CVE-2011-3607
–
5%
Nov 8
Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled,…
Affected: 2.0; 2.0.9; 2.0.28; 2.0.28; 2.0.32; 2.0.32; +34 more
CVE-2011-3368
–
91%
Oct 5
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 does not properly interact with use of (1) RewriteRule and (2)…
Affected: 1.3; 1.3.0; 1.3.1; 1.3.1.1; 1.3.2; 1.3.3; +34 more
CVE-2011-3348
–
22%
Sep 20
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…
Affected: 2.2.12 through 2.2.20
CVE-2011-3192
–
99%
Aug 29
The byterange filter in the Apache HTTP Server 1.3.x, 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial of service (memory and CPU…
Affected: 2.0.35 before 2.0.65; 2.2.0 before 2.2.20
CVE-2011-1928
–
10%
May 24
The fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library 1.4.3 and 1.4.4, and the Apache HTTP Server 2.2.18, allows remote attackers to cause a…
Affected: 2.2.18
CVE-2011-0419
–
30%
May 16
Stack consumption vulnerability in the fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library before 1.4.3 and the Apache HTTP Server before 2.2.18,…
Affected: 2.0.0 through 2.0.65; 2.2.0 through 2.2.18
CVE-2010-1623
–
20%
Oct 4
Memory leak in the apr_brigade_split_line function in buckets/apr_brigade.c in the Apache Portable Runtime Utility library (aka APR-util) before 1.3.10, as used in the…
Affected: 2.0.35 before 2.0.64; 2.2.0 before 2.2.17
CVE-2010-2791
–
8%
Aug 5
mod_proxy in httpd in Apache HTTP Server 2.2.9, when running on Unix, does not close the backend connection if a timeout occurs when reading a response from a persistent…
Affected: 2.2.9
CVE-2010-1452
–
22%
Jul 28
The (1) mod_cache and (2) mod_dav modules in the Apache HTTP Server 2.2.x before 2.2.16 allow remote attackers to cause a denial of service (process crash) via a request that…
Affected: 2.0.35 before 2.0.64; 2.2.0 before 2.2.16
CVE-2010-2068
–
16%
Jun 18
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…
Affected: 2.2.9; 2.2.10; 2.2.11; 2.2.12; 2.2.13; 2.2.14; +3 more
CVE-2010-1151
–
4%
Apr 20
Race condition in the mod_auth_shadow module for the Apache HTTP Server allows remote attackers to bypass authentication, and read and possibly modify data, via vectors related to…
Affected: All versions, or not specified
CVE-2010-0434
–
18%
Mar 5
The ap_read_request function in server/protocol.c in the Apache HTTP Server 2.2.x before 2.2.15, when a multithreaded MPM is used, does not properly handle headers in subrequests…
Affected: 2.0.35 before 2.0.64; 2.2.0 before 2.2.15
CVE-2010-0425
–
94%
Mar 5
modules/arch/win32/mod_isapi.c in mod_isapi in the Apache HTTP Server 2.0.37 through 2.0.63, 2.2.0 through 2.2.14, and 2.3.x before 2.3.7, when running on Windows, does not ensure…
Affected: 2.0.37 before 2.0.64; 2.2.0 before 2.2.15; 2.3.0 before 2.3.7
CVE-2010-0408
–
21%
Mar 5
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…
Affected: 2.2; 2.2.0; 2.2.2; 2.2.3; 2.2.4; 2.2.6; +6 more
CVE-2003-1581
–
3%
Feb 5
The Apache HTTP Server 2.0.44, when DNS resolution is enabled for client IP addresses, allows remote attackers to inject arbitrary text into log files via an HTTP request in…
Affected: 2.0.44
CVE-2003-1580
–
4%
Feb 5
The Apache HTTP Server 2.0.44, when DNS resolution is enabled for client IP addresses, uses a logging format that does not identify whether a dotted quad represents an unresolved…
Affected: 2.0.44
CVE-2010-0010
–
43%
Feb 2
Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c in mod_proxy in the Apache HTTP Server before 1.3.42 on 64-bit platforms allows remote origin servers to…
Affected: through 1.3.41; 0.8.11; 0.8.14; 1.0; 1.0.3; 1.0.5; +34 more
CVE-2009-3560
–
24%
Dec 4
The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a denial of service…
Affected: 2.0.35 before 2.0.64; 2.2.0 before 2.2.17
CVE-2009-3720
–
28%
Nov 3
The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause…
Affected: 2.0.35 before 2.0.64; 2.2.0 before 2.2.17
CVE-2009-3095
–
14%
Sep 8
The mod_proxy_ftp module in the Apache HTTP Server allows remote attackers to bypass intended access restrictions and send arbitrary commands to an FTP server via vectors related…
Affected: 2.0.35 before 2.0.64; 2.2.0 before 2.2.14
CVE-2009-3094
–
9%
Sep 8
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…
Affected: 2.0.35 before 2.0.64; 2.2.0 before 2.2.14
CVE-2009-1891
–
17%
Jul 10
The mod_deflate module in Apache httpd 2.2.11 and earlier compresses large files until completion even after the associated network connection is closed, which allows remote…
Affected: 2.0.35 before 2.0.64; 2.2.0 before 2.2.12
CVE-2009-1890
–
16%
Jul 5
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…
Affected: 2.2.0 before 2.2.12
CVE-2009-1956
–
12%
Jun 8
Off-by-one error in the apr_brigade_vprintf function in Apache APR-util before 1.3.5 on big-endian platforms allows remote attackers to obtain sensitive information or cause a…
Affected: 2.2.0 before 2.2.12
CVE-2009-0023
–
9%
Jun 8
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…
Affected: 2.2.0 before 2.2.12
CVE-2009-1195
–
2%
May 28
The Apache HTTP Server 2.2.11 and earlier 2.2 versions does not properly handle Options=IncludesNOEXEC in the AllowOverride directive, which allows local users to gain privileges…
Affected: 2.2.0; 2.2.1; 2.2.2; 2.2.3; 2.2.4; 2.2.7; +3 more
CVE-2009-1191
–
12%
Apr 23
mod_proxy_ajp.c in the mod_proxy_ajp module in the Apache HTTP Server 2.2.11 allows remote attackers to obtain sensitive response data, intended for a client that sent an earlier…
Affected: 2.2.11
CVE-2008-2939
–
39%
Aug 6
Cross-site scripting (XSS) vulnerability in proxy_ftp.c in the mod_proxy_ftp module in Apache 2.0.63 and earlier, and mod_proxy_ftp.c in the mod_proxy_ftp module in Apache 2.2.9…
Affected: through 2.0.63; 2.2.0 through 2.2.9
CVE-2008-2364
–
13%
Jun 13
The ap_proxy_http_process_response function in mod_proxy_http.c in the mod_proxy module in the Apache HTTP Server 2.0.63 and 2.2.8 does not limit the number of forwarded interim…
Affected: 2.0.35 before 2.0.64; 2.2.0 before 2.2.9
CVE-2008-2168
–
55%
May 13
Cross-site scripting (XSS) vulnerability in Apache 2.2.6 and earlier allows remote attackers to inject arbitrary web script or HTML via UTF-7 encoded URLs that are not properly…
Affected: 2.0; 2.0.9; 2.0.28; 2.0.28; 2.0.32; 2.0.32; +34 more
CVE-2008-0455
–
65%
Jan 25
Cross-site scripting (XSS) vulnerability in the mod_negotiation module in the Apache HTTP Server 2.2.6 and earlier in the 2.2.x series, 2.0.61 and earlier in the 2.0.x series, and…
Affected: 2.2.0 before 2.2.23; 2.4.1 before 2.4.3
CVE-2008-0456
–
19%
Jan 25
CRLF injection vulnerability in the mod_negotiation module in the Apache HTTP Server 2.2.6 and earlier in the 2.2.x series, 2.0.61 and earlier in the 2.0.x series, and 1.3.39 and…
Affected: 2.2.0 before 2.2.12
CVE-2007-6423
–
4%
Jan 12
Unspecified vulnerability in mod_proxy_balancer for Apache HTTP Server 2.2.x before 2.2.7-dev, when running on Windows, allows remote attackers to trigger memory corruption via a…
Affected: 2.2.2; 2.2.3; 2.2.4; 2.2.6
CVE-2007-6420
–
9%
Jan 12
Cross-site request forgery (CSRF) vulnerability in the balancer-manager in mod_proxy_balancer for Apache HTTP Server 2.2.x allows remote attackers to gain privileges via…
Affected: 2.2.0; 2.2.2; 2.2.3; 2.2.4; 2.2.5; 2.2.6; +1 more
CVE-2008-0005
–
15%
Jan 12
mod_proxy_ftp in Apache 2.2.x before 2.2.7-dev, 2.0.x before 2.0.62-dev, and 1.3.x before 1.3.40-dev does not define a charset, which allows remote attackers to conduct cross-site…
Affected: 2.0.35 before 2.0.63; 2.2.0 before 2.2.8
CVE-2007-6421
–
8%
Jan 8
Cross-site scripting (XSS) vulnerability in balancer-manager in mod_proxy_balancer in the Apache HTTP Server 2.2.0 through 2.2.6 allows remote attackers to inject arbitrary web…
Affected: 2.2; 2.2.1; 2.2.2; 2.2.3; 2.2.4; 2.2.6
CVE-2007-6422
–
10%
Jan 8
The balancer_handler function in mod_proxy_balancer in the Apache HTTP Server 2.2.0 through 2.2.6, when a threaded Multi-Processing Module is used, allows remote authenticated…
Affected: 2.2; 2.2.1; 2.2.2; 2.2.3; 2.2.4; 2.2.6
CVE-2007-6388
–
76%
Jan 8
Cross-site scripting (XSS) vulnerability in mod_status in the Apache HTTP Server 2.2.0 through 2.2.6, 2.0.35 through 2.0.61, and 1.3.2 through 1.3.39, when the server-status page…
Affected: 1.3.2 through 1.3.39; 2.0.35 through 2.0.61; 2.2.0 through 2.2.6
CVE-2007-6514
–
38%
Dec 21
Apache HTTP Server, when running on Linux with a document root on a Windows share mounted using smbfs, allows remote attackers to obtain unprocessed content such as source files…
Affected: 2.2.6; 2.2.6
CVE-2007-5000
–
47%
Dec 13
Cross-site scripting (XSS) vulnerability in the (1) mod_imap module in the Apache HTTP Server 1.3.0 through 1.3.39 and 2.0.35 through 2.0.61 and the (2) mod_imagemap module in the…
Affected: 1.3.0 through 1.3.39; 2.0.35 through 2.0.61; 2.2.0 through 2.2.6
CVE-2007-6203
–
81%
Dec 3
Apache HTTP Server 2.0.x and 2.2.x does not sanitize the HTTP Method specifier header from an HTTP request when it is reflected back in a "413 Request Entity Too Large" error…
Affected: 2.0.46; 2.0.47; 2.0.48; 2.0.49; 2.0.50; 2.0.51; +19 more
CVE-2007-3847
–
13%
Aug 23
The date handling code in modules/proxy/proxy_util.c (mod_proxy) in Apache 2.3.0, when using a threaded MPM, allows remote origin servers to cause a denial of service (caching…
Affected: 2.0.35 before 2.0.61; 2.2.0 before 2.2.6
CVE-2006-5752
–
28%
Jun 27
Cross-site scripting (XSS) vulnerability in mod_status.c in the mod_status module in Apache HTTP Server (httpd), when ExtendedStatus is enabled and a public server-status page is…
Affected: 1.3.2 before 1.3.39; 2.0.0 before 2.0.61; 2.2.0 before 2.2.6
CVE-2007-1863
–
12%
Jun 27
cache_util.c in the mod_cache module in Apache HTTP Server (httpd), when caching is enabled and a threaded Multi-Processing Module (MPM) is used, allows remote attackers to cause…
Affected: 2.0.37 before 2.0.61; 2.2.0 before 2.2.6
CVE-2007-3304
–
3%
Jun 20
Apache httpd 1.3.37, 2.0.59, and 2.2.4 with the Prefork MPM module, allows local users to cause a denial of service by modifying the worker_score and process_score arrays to…
Affected: 1.3.0 before 1.3.39; 2.0.0 before 2.0.61; 2.2.0 before 2.2.6
CVE-2007-3303
–
1%
Jun 20
Apache httpd 2.0.59 and 2.2.4, with the Prefork MPM module, allows local users to cause a denial of service via certain code sequences executed in a worker process that (1) stop…
Affected: 2.0.59; 2.2.4
CVE-2007-1862
–
6%
Jun 4
The recall_headers function in mod_mem_cache in Apache 2.2.4 does not properly copy all levels of header data, which can cause Apache to return HTTP headers containing previously…
Affected: 2.2.4
CVE-2007-1743
–
1%
Apr 13
suexec in Apache HTTP Server (httpd) 2.2.3 does not verify combinations of user and group IDs on the command line, which might allow local users to leverage other vulnerabilities…
Affected: 2.2.3
Page 5 of 8 · 351 total
1…456…8