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 lacks a path.
Technology
Apache HTTP Server vulnerabilities
The Apache httpd web server. 553 published CVES affecting Apache HTTP Server, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 553
- Critical
- 46
- High
- 179
- Medium
- 242
- Low
- 28
- Unscored
- 58
- CISA KEV
- 11
Latest Apache HTTP Server CVEs
Newest publication first · page 15 of 23
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MediumCVSS 5.0 EPSS 21.4%
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MediumCVSS 5.0 EPSS 16.0%
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 pote...
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MediumCVSS 6.8 EPSS 3.8%
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 improper interaction with an external helper application for validation of credentials.
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DSA-2035-1 apache2 - several issues
PublishedUnknown -
MediumCVSS 4.3 EPSS 18.4%
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 in certain circumstances involving a parent request that has a body, which might allow remote attacke...
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HighCVSS 10.0 EPSS 94.2% Framework module Public exploit
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 that request processing is complete before calling isapi_unload for an ISAPI .dll module, which allo...
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MediumCVSS 5.0 EPSS 20.9%
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 outa...
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LowCVSS 2.6 EPSS 3.1%
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 conjunction with a crafted DNS response, as demonstrated by injecting XSS sequences, related to an "Invers...
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MediumCVSS 4.3 EPSS 3.7%
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 IP address, which allows remote attackers to spoof IP addresses via crafted DNS responses containing...
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MediumCVSS 6.8 EPSS 43.4%
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 cause a denial of service (daemon crash) or possibly execute arbitrary code via a large chunk size that...
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MediumCVSS 5.0 EPSS 9.2%
Memory leak in the zlib_stateful_finish function in crypto/comp/c_zlib.c in OpenSSL 0.9.8l and earlier and 1.0.0 Beta through Beta 4 allows remote attackers to cause a denial of service (memory consumption) via vectors that trigger incorrect calls to the CRYPTO_cleanup_all_ex_dat...
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MediumCVSS 5.0 EPSS 24.3%
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 (application crash) via an XML document with malformed UTF-8 sequences that trigger a buffer over-read, re...
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MediumCVSS 6.0 EPSS 8.7% Public exploit
Unrestricted file upload vulnerability in the wp_check_filetype function in wp-includes/functions.php in WordPress before 2.8.6, when a certain configuration of the mod_mime module in the Apache HTTP Server is enabled, allows remote authenticated users to execute arbitrary code b...
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DSA-1934-1 apache2 - several issues
PublishedUnknown -
MediumCVSS 4.3 EPSS 1.7%
The Apache HTTP Server in Apple Mac OS X before 10.6.2 enables the HTTP TRACE method, which allows remote attackers to conduct cross-site scripting (XSS) attacks via unspecified web client software.
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HighCVSS 7.5 EPSS 2.4%
The VirtualBox 2.0.8 and 2.0.10 web service in Sun Virtual Desktop Infrastructure (VDI) 3.0 does not require authentication, which allows remote attackers to obtain unspecified access via vectors involving requests to an Apache HTTP Server.
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MediumCVSS 5.8 EPSS 87.3% Public exploit
The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft Internet Information Services (IIS) 7.0, mod_ssl in the Apache HTTP Server 2.2.14 and earlier, OpenSSL before 0.9.8l, GnuTLS 2.8.5 and earlier, Mozilla Network Security Services (NSS) 3.12.4 and...
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MediumCVSS 5.0 EPSS 27.9%
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 a denial of service (application crash) via an XML document with crafted UTF-8 sequences that trigger...
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HighCVSS 7.5 EPSS 14.2%
The Solaris pollset feature in the Event Port backend in poll/unix/port.c in the Apache Portable Runtime (APR) library before 1.3.9, as used in the Apache HTTP Server before 2.2.14 and other products, does not properly handle errors, which allows remote attackers to cause a denia...
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HighCVSS 9.0 EPSS 10.9% Public exploit
The saveForwardAttachments procedure in the Compose Mail functionality in vtiger CRM 5.0.4 allows remote authenticated users to execute arbitrary code by composing an e-mail message with an attachment filename ending in (1) .php in installations based on certain Apache HTTP Serve...
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MediumCVSS 5.0 EPSS 13.5%
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 to the embedding of these commands in the Authorization HTTP header, as demonstrated by a certain mod...
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LowCVSS 2.6 EPSS 8.6%
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 comman...
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Unknown
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HighCVSS 7.1 EPSS 17.1%
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 attackers to cause a denial of service (CPU consumption).
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HighCVSS 7.1 EPSS 16.2%
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...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.