{"id":"RLSA-2026:3839","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* crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate (CVE-2025-61729)\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\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":"2026-05-21T17:00:10.621019471Z","published":"2026-05-21T16:27:07.119420Z","upstream":["CVE-2025-61726","CVE-2025-61729","CVE-2025-68121"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:3839"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2418462"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2434432"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2437111"}],"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":"0:31-3.el9_7.rocky.0.2"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:3839.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:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}