{"id":"RLSA-2026:67614","summary":"Important: .NET 9.0 security, bug fix, and enhancement update","details":".NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows.  It particularly focuses on creating console applications, web applications and micro-services.  .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.\n\nSDK version: 9.0.121\nRuntime version: 9.0.20\n\nSecurity Fix(es):\n\n* dotnet10.0: dotnet9.0: dotnet8.0: .NET Information Disclosure Vulnerability (CVE-2026-58649)\n\n* dotnet10.0: dotnet9.0: .NET Elevation of Privilege Vulnerability (CVE-2026-69806)\n\nBug Fix(es) and Enhancement(s):\n\n* Update .NET 9.0 to SDK 9.0.121 and Runtime 9.0.20 [rhel-9.8.z] (JIRA:Rocky Linux-252278)\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":"2026-09-16T18:24:47.209057098Z","published":"2026-09-16T18:04:51.734663Z","upstream":["CVE-2026-58649","CVE-2026-69806"],"database_specific":{"license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:67614","license":"CC-BY-4.0"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:67614"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2528870"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2528921"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:67614"}],"affected":[{"package":{"name":"dotnet9.0","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/dotnet9.0?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:9.0.121-1.el9_8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:67614.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}