FlawAtlas
Search the atlas
ALSA-2026:22140 Not scored

Important: httpd:2.4 security update

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fix(es): * httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase (CVE-2025-53020) * httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data() (CVE-2026-34059) * httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check (CVE-2026-34032) * httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions (CVE-2026-33857) * httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash (CVE-2026-33007) * Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow (CVE-2026-28780) 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 June 1, 2026
Required by Not available
Last source change June 3, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:8 httpd
AlmaLinux:8 httpd-devel
AlmaLinux:8 httpd-filesystem
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-2026:22140

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fix(es): * httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase (CVE-2025-53020) * httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data() (CVE-2026-34059) * httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check (CVE-2026-34032) * httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions (CVE-2026-33857) * httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash (CVE-2026-33007) * Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow (CVE-2026-28780) 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.

View original source

05 / REFERENCES

Further evidence