{"id":"RHSA-2026:49838","summary":"Red Hat Security Advisory: osbuild-composer security, bug fix, and enhancement update","modified":"2026-08-08T10:12:48Z","published":"2026-08-05T10:37:12Z","related":["GO-2026-4946","GO-2026-4947"],"upstream":["CVE-2026-32280","CVE-2026-32281"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:49838"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2456333"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2456339"},{"type":"ARTICLE","url":"https://issues.redhat.com/browse/RHEL-185745"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_49838.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-32280"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-32280"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32280"},{"type":"ARTICLE","url":"https://go.dev/cl/758320"},{"type":"ARTICLE","url":"https://go.dev/issue/78282"},{"type":"ARTICLE","url":"https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU"},{"type":"ADVISORY","url":"https://pkg.go.dev/vuln/GO-2026-4947"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-32281"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-32281"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32281"},{"type":"ARTICLE","url":"https://go.dev/cl/758061"},{"type":"ARTICLE","url":"https://go.dev/issue/78281"},{"type":"ADVISORY","url":"https://pkg.go.dev/vuln/GO-2026-4946"}],"affected":[{"package":{"name":"osbuild-composer","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/osbuild-composer"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:165.1-4.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:49838.json"}},{"package":{"name":"osbuild-composer-core","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/osbuild-composer-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:165.1-4.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:49838.json"}},{"package":{"name":"osbuild-composer-core-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/osbuild-composer-core-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:165.1-4.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:49838.json"}},{"package":{"name":"osbuild-composer-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/osbuild-composer-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:165.1-4.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:49838.json"}},{"package":{"name":"osbuild-composer-debugsource","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/osbuild-composer-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:165.1-4.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:49838.json"}},{"package":{"name":"osbuild-composer-tests-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/osbuild-composer-tests-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:165.1-4.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:49838.json"}},{"package":{"name":"osbuild-composer-worker","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/osbuild-composer-worker"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:165.1-4.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:49838.json"}},{"package":{"name":"osbuild-composer-worker-debuginfo","ecosystem":"Red Hat:enterprise_linux:9::appstream","purl":"pkg:rpm/redhat/osbuild-composer-worker-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:165.1-4.el9_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:49838.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}