RHSA-2026:22140 Red Hat Security Advisory: httpd:2.4 security update

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RLSA-2026:22140 Important: httpd:2.4 security update

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 httpd: modproxyajp: heap-based buffer over-read and memory disclosure in ajpparsedata CVE-2026-34059 httpd:...

mod_http2: Apache HTTP Server: HTTP/2 DoS by Memory Increase

A flaw was found in Apache HTTP Server. This late release of memory after effective lifetime vulnerability allows a remote, unauthenticated attacker to cause a denial of service DoS. The vulnerability can lead to resource exhaustion, making the server unavailable to legitimate users...

httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check

A flaw was found in the modproxyajp module of httpd. When processing AJP Apache JServ Protocol messages, the server fails to properly check if a string is null-terminated before attempting to read it, allowing an attacker or a malformed request to cause a heap-based buffer over-read. This issue...

ALSA-2026:22140 Important: httpd:2.4 security update

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 httpd: modproxyajp: heap-based buffer over-read and memory disclosure in ajpparsedata CVE-2026-34059 httpd:...

Security update for apache2

This update for apache2 fixes the following issues CVE-2026-23918: http2: double free and possible RCE on early reset bsc1263957. CVE-2026-24072: modrewrite elevation of privileges via apexpr bsc1263935. CVE-2026-28780: heap buffer overflow in modproxyajp via ajpmsgcheckheader bsc1264163...

httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check

A flaw was found in the modproxyajp module of httpd. When processing AJP Apache JServ Protocol messages, the server fails to properly check if a string is null-terminated before attempting to read it, allowing an attacker or a malformed request to cause a heap-based buffer over-read. This issue...

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...

OESA-2026-2401 httpd security update

Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Security Fixes: 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...

OESA-2026-2399 httpd security update

Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Security Fixes: Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes th...

Astra Linux - уязвимость в apache2

HTTP/2 incoming headers that exceed the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client continues to send headers, this can lead to memory exhaustion...

Astra Linux - уязвимость в apache2

Improper neutralization of vulnerabilities related to escape, meta, or control sequences in the Apache HTTP Server, caused by environment variables set through Apache configuration, which unexpectedly override variables calculated by the server for CGI programs. This issue affects the Apache HTTP...

Astra Linux - уязвимость в apache2

When an HTTP/2 stream was reset by a client, there was a time window during which the memory resources associated with the request were not immediately reclaimed. Instead, the de-allocation of those resources was delayed until after the connection was closed. This allowed clients to continue...

Astra Linux - уязвимость в apache2

An HTTP response smuggling vulnerability exists in the Apache HTTP Server via modproxyuwsgi. This issue affects the Apache HTTP Server version 2.4.30 through 2.4.55. Special characters in the origin response header can cause the response forwarded to the client to be truncated or split...

Exploit for Double Free in Apache Http_Server

cve-2026-23918 Defensive audit tools for CVE-2026-23918...

OESA-2026-2317 httpd security update

Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Security Fixes: Heap-based Buffer Overflow vulnerability in modproxyajp of Apache HTTP Server. If modproxyajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to modproxyajp and...

Exploit for Double Free in Apache Http_Server

CVE-2026-23918 "Apache HTTP/2 Double-Free" — Detection & Respo...

Apache HTTP Server: mod_rewrite elevation of privileges via ap_expr

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Apache HTTP Server: mod_proxy_ajp: Heap Over-Read and memory disclosure in ajp_parse_data()

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Apache HTTP Server: http2: double free and possible RCE on early reset

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