RHSA-2026:97387: Important: go-fdo-server security update
This package provides a server-side implementation of the FIDO Device Onboard (FDO) specification, written in Go. FDO is an open standard for the late binding of device credentials, allowing for automated and secure on-boarding of devices when they are first powered on in their final location.Security Fix(es): crypto/x509: Incorrect enforcement of email constraints in crypto/x509 (CVE-2026-27137) net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811) encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue (CVE-2026-56859) For 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.Additional Changes:For detailed information on changes in this release, see the Red Hat Enterprise Linux 10 Release Notes linked from the References section.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/go-fdo-serverto a version that resolves this vulnerability.Fixed in 1.0.1-6.el10_3 - Upgrade
Upgrade
redhat/go-fdo-server-debuginfoto a version that resolves this vulnerability.Fixed in 1.0.1-6.el10_3 - Upgrade
Upgrade
redhat/go-fdo-server-debugsourceto a version that resolves this vulnerability.Fixed in 1.0.1-6.el10_3 - Upgrade
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redhat/go-fdo-server-manufacturerto a version that resolves this vulnerability.Fixed in 1.0.1-6.el10_3 - Upgrade
Upgrade
redhat/go-fdo-server-ownerto a version that resolves this vulnerability.Fixed in 1.0.1-6.el10_3 - Upgrade
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redhat/go-fdo-server-rendezvousto a version that resolves this vulnerability.Fixed in 1.0.1-6.el10_3 - Upgrade
Upgrade
redhat/go-fdo-serverto a version that resolves this vulnerability.Fixed in 1.0.1-6.el10_3.aa - Upgrade
Upgrade
redhat/go-fdo-server-debuginfoto a version that resolves this vulnerability.Fixed in 1.0.1-6.el10_3.aa - Upgrade
Upgrade
redhat/go-fdo-server-debugsourceto a version that resolves this vulnerability.Fixed in 1.0.1-6.el10_3.aa
Event History
Frequently Asked Questions
Which go-fdo-server package variants are included in this update?
The update covers go-fdo-server, go-fdo-server-debuginfo, go-fdo-server-debugsource, go-fdo-server-manufacturer, go-fdo-server-owner, and go-fdo-server-rendezvous.
Which Go components are addressed by the listed security fixes?
The fixes affect crypto/x509 email-constraint enforcement (CVE-2026-27137), net/url IPv6 host-literal parsing (CVE-2026-25679), net.LookupCNAME handling of long CNAME responses (CVE-2026-33811), and XML decoding recursion depth in encoding/xml (CVE-2026-56859).