RHSA-2026:33722HighCVSS 7.5

Red Hat Security Advisory: container-tools:rhel8 security, bug fix, and enhancement update

Published
June 30, 2026
Last Modified
October 29, 2026

🔗 CVE IDs covered (5)

CVE-2026-32280 →CVE-2026-32281 →CVE-2026-32283 →CVE-2026-34986 →CVE-2026-25679 →

📋 Description

CVE-2026-25679 — net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-32280 — crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building CVE-2026-32281 — crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation CVE-2026-32283 — crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages CVE-2026-34986 — github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object

🎯 Affected products200

  • Red Hat Enterprise Linux AppStream (v. 8)
  • aardvark-dns-2:1.10.1-2.module+el8.10.0+24321+617e8352.aarch64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • aardvark-dns-2:1.10.1-2.module+el8.10.0+24321+617e8352.ppc64le (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • aardvark-dns-2:1.10.1-2.module+el8.10.0+24321+617e8352.s390x (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • aardvark-dns-2:1.10.1-2.module+el8.10.0+24321+617e8352.src (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • aardvark-dns-2:1.10.1-2.module+el8.10.0+24321+617e8352.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-2:1.33.14-3.module+el8.10.0+24321+617e8352.aarch64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-2:1.33.14-3.module+el8.10.0+24321+617e8352.ppc64le (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-2:1.33.14-3.module+el8.10.0+24321+617e8352.s390x (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-2:1.33.14-3.module+el8.10.0+24321+617e8352.src (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-2:1.33.14-3.module+el8.10.0+24321+617e8352.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-debuginfo-2:1.33.14-3.module+el8.10.0+24321+617e8352.aarch64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-debuginfo-2:1.33.14-3.module+el8.10.0+24321+617e8352.ppc64le (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-debuginfo-2:1.33.14-3.module+el8.10.0+24321+617e8352.s390x (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-debuginfo-2:1.33.14-3.module+el8.10.0+24321+617e8352.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-debugsource-2:1.33.14-3.module+el8.10.0+24321+617e8352.aarch64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-debugsource-2:1.33.14-3.module+el8.10.0+24321+617e8352.ppc64le (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-debugsource-2:1.33.14-3.module+el8.10.0+24321+617e8352.s390x (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-debugsource-2:1.33.14-3.module+el8.10.0+24321+617e8352.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-tests-2:1.33.14-3.module+el8.10.0+24321+617e8352.aarch64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-tests-2:1.33.14-3.module+el8.10.0+24321+617e8352.ppc64le (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-tests-2:1.33.14-3.module+el8.10.0+24321+617e8352.s390x (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-tests-2:1.33.14-3.module+el8.10.0+24321+617e8352.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-tests-debuginfo-2:1.33.14-3.module+el8.10.0+24321+617e8352.aarch64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-tests-debuginfo-2:1.33.14-3.module+el8.10.0+24321+617e8352.ppc64le (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-tests-debuginfo-2:1.33.14-3.module+el8.10.0+24321+617e8352.s390x (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • buildah-tests-debuginfo-2:1.33.14-3.module+el8.10.0+24321+617e8352.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • cockpit-podman-0:84.1-1.module+el8.10.0+24321+617e8352.noarch (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • cockpit-podman-0:84.1-1.module+el8.10.0+24321+617e8352.src (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • conmon-3:2.1.10-1.module+el8.10.0+24321+617e8352.aarch64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • +170 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (8)