RLSA-2026:21391

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

Security Fix(es):

• httpd: modproxyajp: heap-based buffer over-read and memory disclosure in ajpparsedata() (CVE-2026-34059)

• httpd: modproxyajp: heap-based buffer over-read due to missing null-termination check (CVE-2026-34032)

• httpd: modproxyajp: off-by-one out-of-bounds reads in AJP getter functions (CVE-2026-33857)

• httpd: modauthnsocache: NULL pointer dereference can cause a child process crash (CVE-2026-33007)

• Apache HTTP Server: modproxyajp: Apache HTTP Server modproxyajp: 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.