{"schema_version": "1.7.0", "id": "RLSA-2026:42828", "modified": "2026-07-21T18:07:29.310503Z", "published": "2026-07-21T18:01:06.762101Z", "upstream": ["CVE-2024-42516", "CVE-2026-29169", "CVE-2026-34355", "CVE-2026-34356", "CVE-2026-42536", "CVE-2026-43951", "CVE-2026-44185", "CVE-2026-44186", "CVE-2026-44631"], "summary": "Important: httpd:2.4 security, bug fix, and enhancement update", "details": "The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.\n\nSecurity Fix(es):\n\n* httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516)\n\n* httpd: NULL pointer dereference via specially crafted request (CVE-2026-29169)\n\n* httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers (CVE-2026-34356)\n\n* httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server (CVE-2026-44185)\n\n* httpd: Apache HTTP Server: Denial of Service via crafted regular expressions (CVE-2026-44631)\n\n* httpd: Apache HTTP Server: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server (CVE-2026-44186)\n\n* httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc (CVE-2026-42536)\n\n* httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass (CVE-2026-34355)\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* mod_proxy_html regression in CVE-2026-34355 fix [rhel-8.10.z] (JIRA:Rocky Linux-192751)\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:H/PR:N/UI:N/S:U/C:L/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "httpd", "purl": "pkg:rpm/rocky-linux/httpd?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.4.37-65.module+el8.10.0+1984+1bed3124.4"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "httpd", "purl": "pkg:rpm/rocky-linux/httpd?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.4.37-65.module+el8.10.0+1938+3b7755d4.3"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "httpd", "purl": "pkg:rpm/rocky-linux/httpd?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.4.37-65.module+el8.10.0+40045+6ce8579b.6"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "httpd", "purl": "pkg:rpm/rocky-linux/httpd?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.4.37-65.module+el8.10.0+40206+be2c8a50.8"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "httpd", "purl": "pkg:rpm/rocky-linux/httpd?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.4.37-65.module+el8.10.0+40053+5a18018e.7"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "httpd", "purl": "pkg:rpm/rocky-linux/httpd?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.4.37-65.module+el8.10.0+1830+22f0c9e0"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "httpd", "purl": "pkg:rpm/rocky-linux/httpd?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.4.37-65.module+el8.10.0+1842+4a9649e8.2"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "httpd", "purl": "pkg:rpm/rocky-linux/httpd?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.4.37-65.module+el8.10.0+2061+8d03fdec.5"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "httpd", "purl": "pkg:rpm/rocky-linux/httpd?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.4.37-65.module+el8.10.0+1840+b070a976.1"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "httpd", "purl": "pkg:rpm/rocky-linux/httpd?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.4.37-65.module+el8.10.0+40197+0231e209.8"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "mod_http2", "purl": "pkg:rpm/rocky-linux/mod_http2?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.15.7-10.module+el8.10.0+40204+716978aa.6"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "mod_http2", "purl": "pkg:rpm/rocky-linux/mod_http2?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.15.7-10.module+el8.10.0+1775+6b057638"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "mod_http2", "purl": "pkg:rpm/rocky-linux/mod_http2?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.15.7-10.module+el8.10.0+1938+3b7755d4.3"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "mod_http2", "purl": "pkg:rpm/rocky-linux/mod_http2?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.15.7-10.module+el8.10.0+1830+22f0c9e0"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "mod_http2", "purl": "pkg:rpm/rocky-linux/mod_http2?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.15.7-10.module+el8.10.0+40197+0231e209.5"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "mod_http2", "purl": "pkg:rpm/rocky-linux/mod_http2?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.15.7-10.module+el8.10.0+1883+38ed6c58.1"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "mod_http2", "purl": "pkg:rpm/rocky-linux/mod_http2?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.15.7-10.module+el8.10.0+2061+8d03fdec.4"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "mod_md", "purl": "pkg:rpm/rocky-linux/mod_md?distro=rocky-linux-8&epoch=1"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "1:2.0.8-8.module+el8.10.0+40053+5a18018e.2"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "mod_md", "purl": "pkg:rpm/rocky-linux/mod_md?distro=rocky-linux-8&epoch=1"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "1:2.0.8-8.module+el8.9.0+1370+89cc8ad5"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:42828"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2374549"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2465296"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486395"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486397"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486399"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486402"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486411"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486414"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486415"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}