{"id":"RLSA-2026:21391","summary":"Important: httpd 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: 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":"2026-05-30T18:25:44.593283398Z","published":"2026-05-30T18:03:01.190443Z","upstream":["CVE-2026-28780","CVE-2026-33007","CVE-2026-33857","CVE-2026-34032","CVE-2026-34059"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:21391"},{"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 Linux:9","purl":"pkg:rpm/rocky-linux/httpd?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.4.62-13.el9_8.1"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:21391.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}