{"id":"RLSA-2026:22140","summary":"Important: httpd:2.4 security update","details":"The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.\n\nSecurity Fix(es):\n\n* httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase (CVE-2025-53020)\n\n* httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data() (CVE-2026-34059)\n\n* httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check (CVE-2026-34032)\n\n* httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions (CVE-2026-33857)\n\n* httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash (CVE-2026-33007)\n\n* Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow (CVE-2026-28780)\n\nFor 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.","modified":"2026-06-01T18:25:51.727983076Z","published":"2026-06-01T18:02:48.676949Z","upstream":["CVE-2025-53020","CVE-2026-28780","CVE-2026-33007","CVE-2026-33857","CVE-2026-34032","CVE-2026-34059"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:22140"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2379343"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2464940"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2464952"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2464953"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2465299"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2466913"}],"affected":[{"package":{"name":"httpd","ecosystem":"Rocky 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