{"id":"ALSA-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  * golang: net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726)\n  * crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121)\n\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.\n","modified":"2026-05-06T07:44:13.949603661Z","published":"2026-03-05T00:00:00Z","related":["CVE-2025-61726","CVE-2025-61729","CVE-2025-68121"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:3839"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-61726"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-61729"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-68121"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2418462"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2434432"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2437111"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-3839.html"}],"affected":[{"package":{"name":"image-builder","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/image-builder"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"31-3.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:3839.json"}}],"schema_version":"1.7.5"}