{"id":"ALSA-2026:29702","summary":"Important: runc security update","details":"The runC tool is a lightweight, portable implementation of the Open Container Format (OCF) that provides container runtime.  \n\nSecurity Fix(es):  \n\n  * net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)\n  * crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281)\n  * crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)\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":"2026-06-29T19:14:17.071133714Z","published":"2026-06-25T00:00:00Z","related":["CVE-2026-25679","CVE-2026-32280","CVE-2026-32281"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:29702"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-25679"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-32280"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-32281"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2445356"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2456333"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2456339"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-29702.html"}],"affected":[{"package":{"name":"runc","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/runc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:1.4.2-2.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:29702.json"}}],"schema_version":"1.7.5"}