{"id":"RLSA-2026:22528","summary":"Moderate: mod_http2 security update","details":"The mod_h2 Apache httpd module implements the HTTP2 protocol (h2+h2c) on top of libnghttp2 for httpd 2.4 servers.\n\nSecurity Fix(es):\n\n* httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase (CVE-2025-53020)\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":"2026-06-05T12:30:05.842284010Z","published":"2026-06-05T12:04:50.053452Z","upstream":["CVE-2025-53020"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:22528"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2379343"}],"affected":[{"package":{"name":"mod_http2","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/mod_http2?distro=rocky-linux-10&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.0.29-4.el10_2"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:22528.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:N/I:N/A:L"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}