Vulnerabilities (CVE)

Filtered by vendor Apache Subscribe
Filtered by product Http Server
Total 287 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2022-28614 3 Apache, Fedoraproject, Netapp 3 Http Server, Fedora, Clustered Data Ontap 2024-02-04 5.0 MEDIUM 5.3 MEDIUM
The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an attacker can cause the server to reflect very large input using ap_rwrite() or ap_rputs(), such as with mod_luas r:puts() function. Modules compiled and distributed separately from Apache HTTP Server that use the 'ap_rputs' function and may pass it a very large (INT_MAX or larger) string must be compiled against current headers to resolve the issue.
CVE-2022-22720 5 Apache, Apple, Debian and 2 more 8 Http Server, Mac Os X, Macos and 5 more 2024-02-04 7.5 HIGH 9.8 CRITICAL
Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling
CVE-2022-31813 3 Apache, Fedoraproject, Netapp 3 Http Server, Fedora, Clustered Data Ontap 2024-02-04 7.5 HIGH 9.8 CRITICAL
Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded-* headers to the origin server based on client side Connection header hop-by-hop mechanism. This may be used to bypass IP based authentication on the origin server/application.
CVE-2022-28615 3 Apache, Fedoraproject, Netapp 3 Http Server, Fedora, Clustered Data Ontap 2024-02-04 6.4 MEDIUM 9.1 CRITICAL
Apache HTTP Server 2.4.53 and earlier may crash or disclose information due to a read beyond bounds in ap_strcmp_match() when provided with an extremely large input buffer. While no code distributed with the server can be coerced into such a call, third-party modules or lua scripts that use ap_strcmp_match() may hypothetically be affected.
CVE-2022-30556 3 Apache, Fedoraproject, Netapp 3 Http Server, Fedora, Clustered Data Ontap 2024-02-04 5.0 MEDIUM 7.5 HIGH
Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.
CVE-2022-22721 5 Apache, Apple, Debian and 2 more 8 Http Server, Mac Os X, Macos and 5 more 2024-02-04 5.8 MEDIUM 9.1 CRITICAL
If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which later causes out of bounds writes. This issue affects Apache HTTP Server 2.4.52 and earlier.
CVE-2022-26377 3 Apache, Fedoraproject, Netapp 3 Http Server, Fedora, Clustered Data Ontap 2024-02-04 5.0 MEDIUM 7.5 HIGH
Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.
CVE-2022-29404 3 Apache, Fedoraproject, Netapp 3 Http Server, Fedora, Clustered Data Ontap 2024-02-04 5.0 MEDIUM 7.5 HIGH
In Apache HTTP Server 2.4.53 and earlier, a malicious request to a lua script that calls r:parsebody(0) may cause a denial of service due to no default limit on possible input size.
CVE-2022-23943 4 Apache, Debian, Fedoraproject and 1 more 5 Http Server, Debian Linux, Fedora and 2 more 2024-02-04 7.5 HIGH 9.8 CRITICAL
Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite heap memory with possibly attacker provided data. This issue affects Apache HTTP Server 2.4 version 2.4.52 and prior versions.
CVE-2021-42013 4 Apache, Fedoraproject, Netapp and 1 more 5 Http Server, Fedora, Cloud Backup and 2 more 2024-02-04 7.5 HIGH 9.8 CRITICAL
It was found that the fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside of these directories are not protected by the usual default configuration "require all denied", these requests can succeed. If CGI scripts are also enabled for these aliased pathes, this could allow for remote code execution. This issue only affects Apache 2.4.49 and Apache 2.4.50 and not earlier versions.
CVE-2021-44790 7 Apache, Apple, Debian and 4 more 14 Http Server, Mac Os X, Macos and 11 more 2024-02-04 7.5 HIGH 9.8 CRITICAL
A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier.
CVE-2021-44224 6 Apache, Apple, Debian and 3 more 12 Http Server, Mac Os X, Macos and 9 more 2024-02-04 6.4 MEDIUM 8.2 HIGH
A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included).
CVE-2021-34798 8 Apache, Broadcom, Debian and 5 more 18 Http Server, Brocade Fabric Operating System Firmware, Debian Linux and 15 more 2024-02-04 5.0 MEDIUM 7.5 HIGH
Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.
CVE-2021-41524 4 Apache, Fedoraproject, Netapp and 1 more 4 Http Server, Fedora, Cloud Backup and 1 more 2024-02-04 5.0 MEDIUM 7.5 HIGH
While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.
CVE-2021-41773 4 Apache, Fedoraproject, Netapp and 1 more 4 Http Server, Fedora, Cloud Backup and 1 more 2024-02-04 4.3 MEDIUM 7.5 HIGH
A flaw was found in a change made to path normalization in Apache HTTP Server 2.4.49. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside of these directories are not protected by the usual default configuration "require all denied", these requests can succeed. If CGI scripts are also enabled for these aliased pathes, this could allow for remote code execution. This issue is known to be exploited in the wild. This issue only affects Apache 2.4.49 and not earlier versions. The fix in Apache HTTP Server 2.4.50 was found to be incomplete, see CVE-2021-42013.
CVE-2021-40438 6 Apache, Debian, F5 and 3 more 9 Http Server, Debian Linux, F5os and 6 more 2024-02-04 6.8 MEDIUM 9.0 CRITICAL
A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.
CVE-2021-36160 6 Apache, Broadcom, Debian and 3 more 13 Http Server, Brocade Fabric Operating System Firmware, Debian Linux and 10 more 2024-02-04 5.0 MEDIUM 7.5 HIGH
A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive).
CVE-2021-39275 5 Apache, Debian, Fedoraproject and 2 more 7 Http Server, Debian Linux, Fedora and 4 more 2024-02-04 7.5 HIGH 9.8 CRITICAL
ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.
CVE-2021-30641 4 Apache, Debian, Fedoraproject and 1 more 6 Http Server, Debian Linux, Fedora and 3 more 2024-02-04 5.0 MEDIUM 5.3 MEDIUM
Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'
CVE-2021-33193 4 Apache, Fedoraproject, Oracle and 1 more 5 Http Server, Fedora, Secure Backup and 2 more 2024-02-04 5.0 MEDIUM 7.5 HIGH
A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48.