Issued:
2026-07-15
Updated:
2026-07-15

RHSA-2026:39810 - Important: Red Hat OpenStack Services on OpenShift 18.0 golang-github-openstack-k8s-operators-os-diff - security update

Synopsis

Important: Red Hat OpenStack Services on OpenShift 18.0 (golang-github-openstack-k8s-operators-os-diff) security update

Type/Severity

Security Advisory Important

Topic

An update for golang-github-openstack-k8s-operators-os-diff is now available for Red Hat OpenStack Services on OpenShift 18.0 (Antelope).

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Security Fix(es):

  • net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726)

  • golang: Denial of Service due to excessive resource consumption via crafted certificate (CVE-2025-61729)

  • Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)

  • Incorrect enforcement of email constraints in crypto/x509 (CVE-2026-27137)

  • crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)

  • golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)

  • golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application (CVE-2026-33810)

  • golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)

  • golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281)

  • internal/syscall/unix: Root.Chmod can follow symlinks out of the root (CVE-2026-32282)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat OpenStack Services on OpenShift18.0x86_64
Red Hat Enterprise Linux for x86_649x86_64

Updated Packages

  • golang-github-openstack-k8s-operators-os-diff-0.1.1-18.0.20260602234716.a95ae05.el9ost.x86_64.rpm
  • golang-github-openstack-k8s-operators-os-diff-0.1.1-18.0.20260602234716.a95ae05.el9ost.src.rpm

Fixes

CVEs

References

Additional information