{"schema_version": "1.7.0", "id": "RLSA-2026:21391", "modified": "2026-05-30T18:05:22.567879Z", "published": "2026-05-30T18:03:01.190443Z", "upstream": ["CVE-2026-28780", "CVE-2026-33007", "CVE-2026-33857", "CVE-2026-34032", "CVE-2026-34059"], "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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "httpd", "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"}}]}], "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"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}