988 matches found
httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions
A flaw was found in the modproxyajp module of httpd. When processing AJP Apache JServ Protocol messages, the AJP getter functions attempt to read data beyond the allocated buffer size, allowing an attacker or a malformed request to cause an out-of-bounds read. This issue leads to a denial of...
httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data()
A flaw was found in the modproxyajp module of httpd. When processing AJP Apache JServ Protocol messages, the ajpparsedata function attempts to read data beyond the allocated buffer size, allowing an attacker or a malformed request to cause a heap-based buffer over-read. This issue potentially lea...
httpd: mod_md: unrestricted OCSP response leads to resource exhaustion
A flaw was found in the modmd module of httpd. When processing OCSP Online Certificate Status Protocol responses from a malicious or compromised OCSP responder, the module fails to enforce proper size limits on the incoming data. This issue leads to memory exhaustion and a denial of service...
httpd: NULL pointer dereference via specially crafted request
A flaw was found in the moddavlock module of httpd. This vulnerability allows a remote unauthenticated attacker to crash the server due to a NULL pointer dereference via a specially crafted request...
httpd: mod_md: unrestricted OCSP response leads to resource exhaustion
A flaw was found in the modmd module of httpd. When processing OCSP Online Certificate Status Protocol responses from a malicious or compromised OCSP responder, the module fails to enforce proper size limits on the incoming data. This issue leads to memory exhaustion and a denial of service...
httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash
A flaw was found in the modauthnsocache module of httpd. This vulnerability allows an unauthenticated remote user to crash a child process due to a NULL pointer dereference when the server is operating in a caching forward proxy configuration...
Exploit for Memory Allocation with Excessive Size Value in Apache Http_Server
http2-bomb-detector HTTP/2 Bomb CVE-2026-49975 Non-destru...
RLSA-2026:25225 Important: mod_http2 security update
The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack CVE-2026-49975 For more details about the security issues, including the impact, a...
FreeBSD : Apache httpd -- Multiple vulnerabilities (7655baae-637d-11f1-8607-8447094a420f)
The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 7655baae-637d-11f1-8607-8447094a420f advisory. The Apache httpd project reports: See links for details. Tenable has extracted the preceding...
RHEL 10 : mod_http2 (RHSA-2026:22528)
The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:22528 advisory. The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: Apache HTTP...
RLSA-2026:22528 Moderate: mod_http2 security update
The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 For more details about the security issues, including the impact, a CVSS score, acknowledgments, a...
RLSA-2026:22551 Moderate: mod_http2 security update
The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 For more details about the security issues, including the impact, a CVSS score, acknowledgments, a...
Moderate: Red Hat Security Advisory: mod_http2 security update
An update for modhttp2 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...
Moderate: Red Hat Security Advisory: mod_http2 security update
An update for modhttp2 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...
Oracle Linux 8 : httpd:2.4 (ELSA-2026-22140)
The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-22140 advisory. - Resolves: RHEL-166277 - httpd:2.4/httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 modmd Tenable has extracted the preceding...
Moderate: mod_http2 security update
The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 For more details about the security issues, including the impact, a CVSS score, acknowledgments, a...
ALSA-2026:22528 Moderate: mod_http2 security update
The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 For more details about the security issues, including the impact, a CVSS score, acknowledgments, a...
httpd:2.4 security update
An update is available for modhttp2, module.modmd, module.modhttp2, modmd, module.httpd, httpd. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The httpd package...
httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash
A flaw was found in the modauthnsocache module of httpd. This vulnerability allows an unauthenticated remote user to crash a child process due to a NULL pointer dereference when the server is operating in a caching forward proxy configuration...
📄 Apache HTTP Server 2.4.66 Denial of Service
Apache HTTP Server version 2.4.66 modhttp2 double-free denial of service proof of concept exploit. Exploit Title: Apache HTTP Server 2.4.66 - 'modhttp2' Double-Free Denial of Service Google Dork: intext:"Apache/2.4.66" "HTTP/2" Date: 2026-05-06 Exploit Author: xeloxa https://github.com/xeloxa/...