{"schema_version": "1.7.0", "id": "RLSA-2026:97386", "modified": "2026-11-13T06:07:35.888440Z", "published": "2026-11-13T06:06:59.212490Z", "upstream": ["CVE-2026-25679", "CVE-2026-27137", "CVE-2026-33811", "CVE-2026-39821"], "summary": "Important: go-fdo-client security update", "details": "go-fdo-client is the device-side implementation of FIDO Device Onboard specification in Go. It provides an FDO client that interacts with FDO manufacturer and owner servers to perform device on-boarding.\n\nSecurity Fix(es):\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* net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)\n\n* golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)\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\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 10 Release Notes linked from the References section.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N"}], "affected": [{"package": {"ecosystem": "Rocky Linux:10", "name": "go-fdo-client-debuginfo", "purl": "pkg:rpm/rocky-linux/go-fdo-client-debuginfo?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.0.0-9.el10_3"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "go-fdo-client", "purl": "pkg:rpm/rocky-linux/go-fdo-client?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.0.0-9.el10_3"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "go-fdo-client-debugsource", "purl": "pkg:rpm/rocky-linux/go-fdo-client-debugsource?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.0.0-9.el10_3"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "go-fdo-client-debugsource", "purl": "pkg:rpm/rocky-linux/go-fdo-client-debugsource?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.0.0-9.el10_3"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "go-fdo-client", "purl": "pkg:rpm/rocky-linux/go-fdo-client?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.0.0-9.el10_3"}], "database_specific": {"yum_repository": "AppStream"}}]}, {"package": {"ecosystem": "Rocky Linux:10", "name": "go-fdo-client-debuginfo", "purl": "pkg:rpm/rocky-linux/go-fdo-client-debuginfo?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:1.0.0-9.el10_3"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:97386"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445345"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480756"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467822"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445356"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:97386"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:97386"}}