RHSA-2026:19634HighCVSS 7.5

Red Hat Security Advisory: container-tools:rhel8 security update

Published
May 20, 2026
Last Modified
August 27, 2026

🔗 CVE IDs covered (7)

CVE-2025-68121 →CVE-2026-25679 →CVE-2026-32280 →CVE-2026-32283 →CVE-2025-47913 →CVE-2025-61726 →CVE-2025-61729 →

📋 Description

CVE-2025-47913 — golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: SSH client panic due to unexpected SSH_AGENT_SUCCESS CVE-2025-61726 — golang: net/url: Memory exhaustion in query parameter parsing in net/url CVE-2025-61729 — crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate CVE-2025-68121 — crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption 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-2026-32283 — crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

🎯 Affected products200

  • Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • Red Hat Enterprise Linux AppStream TUS (v.8.6)
  • aardvark-dns-2:1.0.1-40.module+el8.6.0+24209+25a14987.aarch64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • aardvark-dns-2:1.0.1-40.module+el8.6.0+24209+25a14987.ppc64le (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • aardvark-dns-2:1.0.1-40.module+el8.6.0+24209+25a14987.s390x (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • aardvark-dns-2:1.0.1-40.module+el8.6.0+24209+25a14987.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • aardvark-dns-2:1.0.1-40.module+el8.6.0+24209+25a14987.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • aardvark-dns-2:1.0.1-40.module+el8.6.0+24209+25a14987.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream TUS (v.8.6)
  • buildah-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.aarch64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.ppc64le (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.s390x (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.src (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • buildah-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.src (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.src (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream TUS (v.8.6)
  • buildah-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • buildah-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream TUS (v.8.6)
  • buildah-debuginfo-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.aarch64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-debuginfo-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.ppc64le (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-debuginfo-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.s390x (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-debuginfo-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • buildah-debuginfo-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-debuginfo-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream TUS (v.8.6)
  • buildah-debugsource-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.aarch64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-debugsource-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.ppc64le (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-debugsource-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.s390x (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-debugsource-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream AUS (v.8.6)
  • buildah-debugsource-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream E4S (v.8.6)
  • buildah-debugsource-1:1.26.11-1.module+el8.6.0+24306+fc1f97ae.x86_64 (container-tools:rhel8) as a component of Red Hat Enterprise Linux AppStream TUS (v.8.6)
  • +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: No mitigation is currently available that meets Red Hat Product Security’s standards for usability, deployment, applicability, or stability. Workaround: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible. 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 (10)