{"schema_version": "1.7.0", "id": "RLSA-2026:23228", "modified": "2026-06-05T12:05:51.617800Z", "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"], "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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "image-builder", "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"}}]}], "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"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}