{"id":"RLSA-2026:7666","summary":"Important: nghttp2 security update","details":"libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 (HTTP/2) protocol in C.\n\nSecurity Fix(es):\n\n* nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination (CVE-2026-27135)\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":"2026-04-15T12:30:12.588088Z","published":"2026-04-15T12:07:10.074197Z","upstream":["CVE-2026-27135"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:7666"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2448754"}],"affected":[{"package":{"name":"nghttp2","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/nghttp2?distro=rocky-linux-10&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.64.0-2.el10_1.1"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:7666.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:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}