CVE-2020-1934medium · CVSS 5.3 — In Apache HTTP Server 2.4.0 to 2.4.41, mod_proxy_ftp may use uninitialized memory when proxying to a malicious FTP server.
CVE-2020-1927medium · CVSS 6.1 — In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by en
CVE-2020-11984critical · CVSS 9.8 — Apache HTTP server 2.4.32 to 2.4.44 mod_proxy_uwsgi info disclosure and possible RCE
CVE-2020-11993high · CVSS 7.5 — Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, loggin
CVE-2020-9490high · CVSS 7.5 — Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a
CVE-2019-17567medium · CVSS 5.3 — Apache HTTP Server versions 2.4.6 to 2.4.46 mod_proxy_wstunnel configured on an URL that is not necessarily Upgraded by the origin server wa
CVE-2020-13938medium · CVSS 5.5 — Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows
CVE-2020-13950high · CVSS 7.5 — Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer dereference) with specially crafted requests
CVE-2020-35452high · CVSS 7.3 — Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Digest nonce can cause a stack overflow in mod_auth_digest. There is no repo
CVE-2021-26690high · CVSS 7.5 — Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference an
CVE-2021-26691critical · CVSS 9.8 — In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow
CVE-2021-30641medium · CVSS 5.3 — Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'
CVE-2021-33193high · CVSS 7.5 — A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache pois
CVE-2021-34798high · CVSS 7.5 — Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.
CVE-2021-36160high · CVSS 7.5 — A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache
CVE-2021-39275critical · CVSS 9.8 — ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functio
CVE-2021-40438critical · CVSS 9.0 — 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 Apa
CVE-2021-44224high · CVSS 8.2 — A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurat
CVE-2021-44790critical · CVSS 9.8 — A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Ap
CVE-2022-22719high · CVSS 7.5 — A carefully crafted request body can cause a read to a random memory area which could cause the process to crash. This issue affects Apache
CVE-2022-22720critical · CVSS 9.8 — Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing th
CVE-2022-22721critical · CVSS 9.1 — If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which
CVE-2022-23943critical · CVSS 9.8 — Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite heap memory with possibly attacker provid
CVE-2022-26377high · CVSS 7.5 — Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attac
CVE-2022-28330medium · CVSS 5.3 — Apache HTTP Server 2.4.53 and earlier on Windows may read beyond bounds when configured to process requests with the mod_isapi module.
CVE-2022-28614medium · CVSS 5.3 — 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
CVE-2022-28615critical · CVSS 9.1 — 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
CVE-2022-29404high · CVSS 7.5 — 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
CVE-2022-30556high · CVSS 7.5 — 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
CVE-2022-31813critical · CVSS 9.8 — 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
CVE-2006-20001high · CVSS 7.5 — A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the
CVE-2022-36760critical · CVSS 9.0 — Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attac
CVE-2022-37436medium · CVSS 5.3 — Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers bein
CVE-2023-25690critical · CVSS 9.8 — Some mod_proxy configurations on Apache HTTP Server versions 2.4.0 through 2.4.55 allow a HTTP Request Smuggling attack.
Configurations
CVE-2023-27522high · CVSS 7.5 — HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server: from 2.4.30 through
CVE-2023-31122high · CVSS 7.5 — Out-of-bounds Read vulnerability in mod_macro of Apache HTTP Server.This issue affects Apache HTTP Server: through 2.4.57.
CVE-2023-45802medium · CVSS 5.9 — When a HTTP/2 stream was reset (RST frame) by a client, there was a time window were the request's memory resources were not reclaimed immed
CVE-2023-38709high · CVSS 7.3 — Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators to split HTTP responses.
This issu
CVE-2024-24795medium · CVSS 6.3 — HTTP Response splitting in multiple modules in Apache HTTP Server allows an attacker that can inject malicious response headers into backend
CVE-2024-27316high · CVSS 7.5 — HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a
CVE-2024-38472high · CVSS 7.5 — SSRF in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via SSRF and malicious requests or conten
CVE-2024-38473high · CVSS 8.1 — Encoding problem in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows request URLs with incorrect encoding to be sent to backend ser
CVE-2024-38474critical · CVSS 9.8 — Substitution encoding issue in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows attacker to execute scripts in
directories permit
CVE-2024-38475critical · CVSS 9.1 — Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations t
CVE-2024-38476critical · CVSS 9.8 — Vulnerability in core of Apache HTTP Server 2.4.59 and earlier are vulnerably to information disclosure, SSRF or local script execution via
CVE-2024-38477high · CVSS 7.5 — null pointer dereference in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows an attacker to crash the server via a malicious reques
CVE-2024-39573high · CVSS 7.5 — Potential SSRF in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to cause unsafe RewriteRules to unexpectedly setup
CVE-2024-40898high · CVSS 7.5 — SSRF in Apache HTTP Server on Windows with mod_rewrite in server/vhost context, allows to potentially leak NTML hashes to a malicious server
CVE-2024-42516high · CVSS 7.5 — HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of applica
CVE-2024-43204high · CVSS 7.5 — SSRF in Apache HTTP Server with mod_proxy loaded allows an attacker to send outbound proxy requests to a URL controlled by the attacker. Re