USN-8338-1 apache2 vulnerabilities

It was discovered that Apache HTTP Server incorrectly handled certain response headers. An attacker could possibly use this issue to perform HTTP response splitting attacks. This issue only affected Ubuntu 14.04 LTS. CVE-2023-38709 Will Dormann and David Warren discovered that Apache HTTP Server'...

RHEL 9 : httpd (RHSA-2026:21391)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:21391 advisory. The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: modproxyajp:...

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_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: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow

A flaw was found in modproxyajp of Apache HTTP Server. This heap-based buffer overflow vulnerability allows a remote attacker, by connecting to a malicious AJP Apache JServ Protocol server, to send a specially crafted message. This message can cause modproxyajp to write attacker-controlled data...

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...

Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow

A flaw was found in modproxyajp of Apache HTTP Server. This heap-based buffer overflow vulnerability allows a remote attacker, by connecting to a malicious AJP Apache JServ Protocol server, to send a specially crafted message. This message can cause modproxyajp to write attacker-controlled data...

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 2.4.49/2.4.50 - Path Traversal and Remote Code Execution

A flaw was found in a change made to path normalization in Apache HTTP Server 2.4.49 and 2.4.50. An attacker could use a path traversal attack to map URLs to files outside the expected document root. If files outside of the document root are not protected by "require all denied" these requests ca...

PT-2026-43620

Threat Intel May 26, 2026 Vulnerability Intelligence Briefing Curated from daily vulnerability intelligence monitoring and exploitation telemetry analysis by cvelogic. --- 1. Known Exploited Vulnerabilities CISA KEV CVE-2026-48172 LiteSpeed cPanel Plugin Added to the CISA KEV catalog following...

ALSA-2026:21433 Important: httpd security update

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: modproxyajp: heap-based buffer over-read and memory disclosure in ajpparsedata CVE-2026-34059 httpd: modproxyajp: heap-based buffer over-read due to missing null-termination...

Amazon Linux 2023 : mod_http2 (ALAS2023-2026-1724)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1724 advisory. Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes...

Amazon Linux 2 : httpd, --advisory ALAS2-2026-3314 (ALAS-2026-3314)

The version of httpd installed on the remote host is prior to 2.4.67-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3314 advisory. An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read...

Important: httpd security update

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: modproxyajp: heap-based buffer over-read and memory disclosure in ajpparsedata CVE-2026-34059 httpd: modproxyajp: heap-based buffer over-read due to missing null-termination...

PT-2026-44503

CVE-2026-42347 - Apache HTTP Server Authentication Bypass CVE ID :CVE-2026-42347 Published : May 26, 2026, 3:16 p.m. | 53 minutes ago Description :Rejected reason: REJECT DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2026-28496. Reason: This candidate is a duplicate of CVE-2026-28496. Notes:...

Important: httpd

Issue Overview: An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. Users are recommended to upgrade to version 2.4.67, which fixes this issue. CVE-2026-24072 Heap-based Buffer...

Amazon Linux 2023 : httpd, httpd-core, httpd-devel (ALAS2023-2026-1720)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1720 advisory. An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. Users are recommended to...

Important: mod_http2

Issue Overview: Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue. CVE-2026-23918 Affected Packages: modhttp2 Issue Correction: Run dnf...

Apache HTTP Server 2.4.66 - 'mod_http2' Double-Free Denial of Service

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/ Vendor Homepage: https://httpd.apache.org/ Software Link:...

[SECURITY] Fedora 43 Update: httpd-2.4.67-1.fc43

The Apache HTTP Server is a powerful, efficient, and extensible web server...