{"id":"RLSA-2026:23228","summary":"Important: image-builder security update","details":"A local binary for building customized OS artifacts such as VM images and OSTree commits. Uses osbuild under the hood.\n\nSecurity Fix(es):\n\n* golang: net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726)\n\n* crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121)\n\n* crypto/x509: Incorrect enforcement of email constraints in crypto/x509 (CVE-2026-27137)\n\n* net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)\n\n* google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation (CVE-2026-33186)\n\n* github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object (CVE-2026-34986)\n\n* golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root (CVE-2026-32282)\n\n* crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)\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":"2026-06-05T12:30:04.447632645Z","published":"2026-06-05T12:03:10.634250Z","upstream":["CVE-2025-61726","CVE-2025-68121","CVE-2026-25679","CVE-2026-27137","CVE-2026-32282","CVE-2026-32283","CVE-2026-33186","CVE-2026-34986"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:23228"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2434432"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2437111"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2445345"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2445356"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2449833"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2455470"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2456336"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2456338"}],"affected":[{"package":{"name":"image-builder","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/image-builder?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:52.1-1.el9_8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:23228.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}