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ALSA-2026:34109 — Important: httpd security, bug fix, and enhancement update

Affected: AlmaLinux:10: httpd, AlmaLinux:10: httpd-core, AlmaLinux:10: httpd-devel, AlmaLinux:10: httpd-filesystem, AlmaLinux:10: httpd-manual, AlmaLinux:10: httpd-tools, AlmaLinux:10: mod_ldap, AlmaLinux:10: mod_lua, AlmaLinux:10: mod_proxy_html, AlmaLinux:10: mod_session and 1 more

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

Security Fix(es):

* httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516) * httpd: NULL pointer dereference via specially crafted request (CVE-2026-29169) * httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers (CVE-2026-34356) * httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server (CVE-2026-44185) * httpd: Apache HTTP Server: Denial of Service via crafted regular expressions (CVE-2026-44631) * httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc (CVE-2026-42536) * httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass (CVE-2026-34355)

Bug Fix(es) and Enhancement(s):

* address Moderate severity issues from httpd 2.4.68 [almalinux-10.2.z] (JIRA:AlmaLinux-184518)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2025-08975

BELL-CVE-2024-42516

Affected: Alpaquita:23: apache2, Alpaquita:25: apache2, Alpaquita:stream: apache2

BIT-apache-2024-42516 — Apache HTTP Server: HTTP response splitting

Affected: Bitnami: apache

This vulnerability was described as CVE-2023-38709 but the patch included in Apache HTTP Server 2.4.59 did not address the issue.

Users are recommended to upgrade to version 2.4.64, which fixes this issue.

certfr-2025-avi-0586 — De multiples vulnérabilités ont été découvertes dans Apache HTTP Server. Certaines d'entre elles permettent à un attaqu…

certfr-2025-avi-0586

cnvd-2025-16612

EUVD-2026-259920

fkie_cve-2024-42516

This vulnerability was described as CVE-2023-38709 but the patch included in Apache HTTP Server 2.4.59 did not address the issue.

Users are recommended to upgrade to version 2.4.64, which fixes this issue.

GHSA-5j7h-7m92-jgh4

This vulnerability was described as CVE-2023-38709 but the patch included in Apache HTTP Server 2.4.59 did not address the issue.

Users are recommended to upgrade to version 2.4.64, which fixes this issue.

jvndb-2026-003905

Multiple vulnerabilities have been found in Cosminexus HTTP Server and Hitachi Web Server. CVE-2024-42516, CVE-2024-47252 CVE-2024-47252 is not exploitable when SSL is not enabled.

msrc_CVE-2024-42516 — Apache HTTP Server: HTTP response splitting

msrc_CVE-2024-42516

NCSC-2026-0027 — Kwetsbaarheden verholpen in Oracle Fusion Middleware

NCSC-2026-0027

OESA-2025-2168 — httpd security update

Affected: openEuler:20.03-LTS-SP4: httpd

Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Security Fix(es):

This vulnerability was described as CVE-2023-38709 but the patch included in Apache HTTP Server 2.4.59 did not address the issue.

Users are recommended to upgrade to version 2.4.64, which fixes this issue.(CVE-2024-42516)

SSRF in Apache HTTP Server with mod_proxy loaded allows an attacker to send outbound proxy requests to a URL controlled by the attacker. Requires an unlikely configuration where mod_headers is configured to modify the Content-Type request or response header with a value provided in the HTTP request.

Users are recommended to upgrade to version 2.4.64 which fixes this issue.(CVE-2024-43204)

Insufficient escaping of user-supplied data in mod_ssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations.

In a logging configuration where CustomLog is used with "%{varname}x" or "%{varname}c" to log variables provided by mod_ssl such as SSL_TLS_SNI, no escaping is performed by either mod_log_config or mod_ssl and unsanitized data provided by the client may appear in log files.(CVE-2024-47252)

In some mod_ssl configurations on Apache HTTP Server 2.4.35 th…

openSUSE-SU-2025:15360-1 — apache2-2.4.64-1.1 on GA media

apache2-2.4.64-1.1 on GA media

RHSA-2026:47046 — Red Hat Security Advisory: httpd security update

httpd: incomplete fix for CVE-2023-38709 Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow httpd: NULL pointer dereference via specially crafted request httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data() httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server httpd: Apache HTTP Server: Denial of Service via crafted regular expressions

RLSA-2026:34109 — Important: httpd security, bug fix, and enhancement update

Affected: Rocky Linux:10: httpd

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

Security Fix(es):

* httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516)

* httpd: NULL pointer dereference via specially crafted request (CVE-2026-29169)

* httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers (CVE-2026-34356)

* httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server (CVE-2026-44185)

* httpd: Apache HTTP Server: Denial of Service via crafted regular expressions (CVE-2026-44631)

* httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc (CVE-2026-42536)

* httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass (CVE-2026-34355)

Bug Fix(es) and Enhancement(s):

* address Moderate severity issues from httpd 2.4.68 [rhel-10.2.z] (JIRA:Rocky Linux-184518)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

SUSE-SU-2025:02565-1 — Security update for apache2

Security update for apache2

UBUNTU-CVE-2024-42516

Affected: Ubuntu:Pro:14.04:LTS: apache2, Ubuntu:Pro:16.04:LTS: apache2, Ubuntu:Pro:18.04:LTS: apache2, Ubuntu:Pro:20.04:LTS: apache2, Ubuntu:22.04:LTS: apache2, Ubuntu:24.04:LTS: apache2, Ubuntu:25.10: apache2

HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of applications hosted or proxied by the server can split the HTTP response. This vulnerability was described as CVE-2023-38709 but the patch included in Apache HTTP Server 2.4.59 did not address the issue. Users are recommended to upgrade to version 2.4.64, which fixes this issue.

WID-SEC-W-2025-1529 — Apache HTTP Server: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Apache HTTP Server ausnutzen, um einen Denial of Service Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen, um Informationen offenzulegen, und um Dateien zu manipulieren.