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ALSA-2026:42828 Not scored

Important: httpd:2.4 security, bug fix, and enhancement update

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 [almalinux-8.10.z] (JIRA:AlmaLinux-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.

Exploit probability Not scored
Published July 21, 2026
Required by Not available
Last source change July 22, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:8 httpd
AlmaLinux:8 httpd-devel
AlmaLinux:8 httpd-manual
AlmaLinux:8 httpd-tools
AlmaLinux:8 mod_http2
AlmaLinux:8 mod_ldap
AlmaLinux:8 mod_md
AlmaLinux:8 mod_proxy_html
AlmaLinux:8 mod_session
AlmaLinux:8 mod_ssl

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2026:42828

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 [almalinux-8.10.z] (JIRA:AlmaLinux-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.

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05 / REFERENCES

Further evidence