Red Hat Security Advisory: rhc-worker-playbook security update

Fixed packages 3

Vulnerabilities 5

• High 7.5
  CVE-2025-61726

  Memory exhaustion in query parameter parsing in net/url

  The net/url package does not set a limit on the number of query parameters in a query. While the maximum size of query parameters in URLs is generally limited by the maximum request header size, the net/http.Request.ParseForm method can parse large URL-encode…

  Go standard library net/url katib-suggestion-hyperopt katib-earlystopping Debian Ubuntu Azure Linux Alpine Wolfi Go
  Jan 28, 2026
• High 7.5
  CVE-2026-25679

  Incorrect parsing of IPv6 host literals in net/url

  url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.

  Go standard library net/url langfuse-3-worker katib-suggestion-hyperopt Debian Ubuntu Azure Linux Alpine Wolfi Go
  Mar 6, 2026
• High 7.5
  CVE-2026-27137

  Incorrect enforcement of email constraints in crypto/x509

  When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be…

  Go standard library crypto/x509 golang go Debian Ubuntu Azure Linux Alpine Wolfi Go
  Mar 6, 2026
• High 7.5
  CVE-2026-32283

  Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls

  If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.

  Go standard library crypto/tls golang go Debian Ubuntu Azure Linux Alpine Wolfi Go
  Apr 8, 2026
• Medium 6.4
  CVE-2026-32282

  TOCTOU permits root escape on Linux via Root.Chmod in os in internal/syscall/unix

  On Linux, if the target of Root.Chmod is replaced with a symlink while the chmod operation is in progress, Chmod can operate on the target of the symlink, even when the target lies outside the root. The Linux fchmodat syscall silently ignores the AT_SYMLINK_N…

  Go standard library internal/syscall/unix golang go Debian Ubuntu Azure Linux Alpine Wolfi Go
  Apr 8, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2434432
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2445345
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2445356
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2456336
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2456338
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_19132.json
• report
  https://access.redhat.com/security/cve/CVE-2025-61726
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-61726
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-61726
• article
  https://go.dev/cl/736712
• article
  https://go.dev/issue/77101
• article
  https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc
• advisory
  https://pkg.go.dev/vuln/GO-2026-4341
• report
  https://access.redhat.com/security/cve/CVE-2026-25679
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-25679
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-25679
• article
  https://go.dev/cl/752180
• article
  https://go.dev/issue/77578
• article
  https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk
• advisory
  https://pkg.go.dev/vuln/GO-2026-4601
• report
  https://access.redhat.com/security/cve/CVE-2026-27137
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-27137
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-27137
• article
  https://go.dev/cl/752182
• article
  https://go.dev/issue/77952
• advisory
  https://pkg.go.dev/vuln/GO-2026-4599
• report
  https://access.redhat.com/security/cve/CVE-2026-32282
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-32282
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-32282
• article
  https://go.dev/cl/763761
• article
  https://go.dev/issue/78293
• article
  https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
• advisory
  https://pkg.go.dev/vuln/GO-2026-4864
• report
  https://access.redhat.com/security/cve/CVE-2026-32283
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-32283
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-32283
• article
  https://go.dev/cl/763767
• article
  https://go.dev/issue/78334