{"id":"RLSA-2026:34355","summary":"Moderate: mod_http2 security, bug fix, and enhancement 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: mod_http2: Apache HTTP Server mod_http2: Use After Free vulnerability allows arbitrary code execution or denial of service. (CVE-2026-48913)\n\n* httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime (CVE-2026-43951)\n\nBug Fix(es) and Enhancement(s):\n\n* address CVE-2026-43951 and CVE-2026-48913 in mod_http2 (JIRA:Rocky Linux-188008)\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":"2026-07-07T12:30:04.856555474Z","published":"2026-07-07T12:05:23.118123Z","upstream":["CVE-2026-43951","CVE-2026-48913"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:34355"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2486415"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2486405"}],"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_2.2"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:34355.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:L/A:L"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}