Red Hat Security Advisory: Red Hat build of MicroShift 4.20.37 security update

Fixed packages 17

Vulnerabilities 1

• High 7.5
  CVE-2026-33814

  Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net

  When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.

  Go standard library golang.org/x/net net/http golang.org/x/net/http2 Debian Ubuntu Azure Linux Alpine Wolfi Go
  May 7, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2467815
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_63637.json
• report
  https://access.redhat.com/security/cve/CVE-2026-33814
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-33814
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-33814
• article
  https://go.dev/cl/761581
• article
  https://go.dev/cl/761640
• article
  https://go.dev/issue/78476
• article
  https://groups.google.com/g/golang-announce/c/qcCIEXso47M
• advisory
  https://pkg.go.dev/vuln/GO-2026-4918