Red Hat Security Advisory: OpenShift Container Platform 4.18.21 packages and security update

Fixed packages 22

Vulnerabilities 1

• Critical 9.1
  CVE-2025-22871

  Request smuggling due to acceptance of invalid chunked data in net/http

  The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.

  Go standard library net/http/internal katib-suggestion-hyperopt katib-earlystopping Debian Ubuntu Azure Linux Alpine Wolfi Packagist Go
  Apr 8, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2358493
• article
  https://issues.redhat.com/browse/OCPBUGS-58323
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_11678.json
• report
  https://access.redhat.com/security/cve/CVE-2025-22871
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-22871
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-22871
• article
  https://go.dev/cl/652998
• article
  https://go.dev/issue/71988
• article
  https://groups.google.com/g/golang-announce/c/Y2uBTVKjBQk
• advisory
  https://pkg.go.dev/vuln/GO-2025-3563