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High RHSA-2026:19714 4 CVEs

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

Published May 21, 2026 · Updated Oct 20, 2026

Ecosystem: Red Hat

Fixed packages 3

ReleasePackageFixed in
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 rhc-worker-playbook 0:0.2.3-5.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 rhc-worker-playbook-debuginfo 0:0.2.3-5.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 rhc-worker-playbook-debugsource 0:0.2.3-5.el10_0

Vulnerabilities 4

  • High 7.5
    CVE-2026-32280

    Unexpected work during chain building in crypto/x509

    During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 an…

    Go standard library crypto/x509 golang go Debian Ubuntu Azure Linux Alpine Wolfi Go
  • 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
  • High 7.5
    CVE-2026-33810

    Case-sensitive excludedSubtrees name constraints cause Auth Bypass in crypto/x509

    When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint. This only affects validation of otherwise trusted certificate chains, issu…

    Go standard library crypto/x509 golang go Debian Ubuntu Azure Linux Alpine Wolfi Go
  • 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

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2456336
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2456338
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2456339
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_19714.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-32280
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-32280
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-32280
  • article
    https://go.dev/cl/758320
  • article
    https://go.dev/issue/78282
  • article
    https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
  • advisory
    https://pkg.go.dev/vuln/GO-2026-4947
  • 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
  • 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
  • advisory
    https://pkg.go.dev/vuln/GO-2026-4870
  • report
    https://access.redhat.com/security/cve/CVE-2026-33810
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2456335
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-33810
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-33810
  • article
    https://go.dev/cl/763763
  • article
    https://go.dev/issue/78332
  • advisory
    https://pkg.go.dev/vuln/GO-2026-4866