RHSA-2026:42828 — Security Advisory

An update for the httpd:2.4 module is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server (CVE-2026-44186)

• 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)

• httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime (CVE-2026-43951)

Bug Fix(es) and Enhancement(s):

• mod_proxy_html regression in CVE-2026-34355 fix [rhel-8.10.z] (JIRA:RHEL-192751)

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.