{"id":"RLSA-2026:38847","summary":"Important: nginx:1.24 security, bug fix, and enhancement update","details":"nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. \n\nSecurity Fix(es):\n\n* nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers (CVE-2026-42055)\n\nBug Fix(es) and Enhancement(s):\n\n* \"HTTP/2 bomb\" nginx fix breaks module ABI causing crashes [rhel-8.10.z] (JIRA:Rocky Linux-191779)\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":"2026-07-13T12:30:04.948875144Z","published":"2026-07-13T12:01:07.269263Z","upstream":["CVE-2026-42055"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:38847"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2489866"}],"affected":[{"package":{"name":"nginx","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/nginx?distro=rocky-linux-8&epoch=1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.24.0-3.module+el8.10.0+40144+38158758"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:38847.json"}},{"package":{"name":"nginx","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/nginx?distro=rocky-linux-8&epoch=1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.24.0-3.module+el8.10.0+40187+52bedf24.1"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:38847.json"}},{"package":{"name":"nginx","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/nginx?distro=rocky-linux-8&epoch=1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.24.0-3.module+el8.10.0+40220+e6a4bcb0.2"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:38847.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}