{"id":"ALSA-2026:25057","summary":"Important: 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: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack (CVE-2026-49975)\n\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.\n","modified":"2026-06-11T16:00:05.258515540Z","published":"2026-06-10T00:00:00Z","related":["CVE-2026-49975"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:25057"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-49975"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2485371"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-25057.html"}],"affected":[{"package":{"name":"mod_http2","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/mod_http2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.26-6.el9_8.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:25057.json"}}],"schema_version":"1.7.5"}