{"schema_version": "1.7.0", "id": "RLSA-2026:59387", "modified": "2026-08-26T12:11:23.455516Z", "published": "2026-08-26T12:04:51.199716Z", "upstream": ["CVE-2026-43951", "CVE-2026-48913"], "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 [rhel-9] (JIRA:Rocky Linux-190583)\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:L/A:L"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "mod_http2", "purl": "pkg:rpm/rocky-linux/mod_http2?distro=rocky-linux-9&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.0.26-6.el9_8.2"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:59387"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486405"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486415"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:59387"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:59387"}}