RHSA-2026:19355HighCVSS 7.5

Red Hat Security Advisory: fence-agents security update

Published
May 19, 2026
Last Modified
August 24, 2026

🔗 CVE IDs covered (3)

CVE-2026-26007 →CVE-2026-30922 →CVE-2026-32597 →

📋 Description

CVE-2026-26007 — cryptography: cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves CVE-2026-30922 — pyasn1: pyasn1 Vulnerable to Denial of Service via Unbounded Recursion CVE-2026-32597 — pyjwt: PyJWT accepts unknown crit header extensions (RFC 7515 §4.1.11 MUST violation)

🎯 Affected products97

  • Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-0:4.10.0-110.el9_8.2.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-aliyun-0:4.10.0-110.el9_8.2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-all-0:4.10.0-110.el9_8.2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-all-0:4.10.0-110.el9_8.2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-all-0:4.10.0-110.el9_8.2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-all-0:4.10.0-110.el9_8.2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-amt-ws-0:4.10.0-110.el9_8.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-apc-0:4.10.0-110.el9_8.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-apc-snmp-0:4.10.0-110.el9_8.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-aws-0:4.10.0-110.el9_8.2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-azure-arm-0:4.10.0-110.el9_8.2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-bladecenter-0:4.10.0-110.el9_8.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-brocade-0:4.10.0-110.el9_8.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-cisco-mds-0:4.10.0-110.el9_8.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-cisco-ucs-0:4.10.0-110.el9_8.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-common-0:4.10.0-110.el9_8.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-compute-0:4.10.0-110.el9_8.2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-compute-0:4.10.0-110.el9_8.2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-debuginfo-0:4.10.0-110.el9_8.2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-debuginfo-0:4.10.0-110.el9_8.2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-debuginfo-0:4.10.0-110.el9_8.2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-debuginfo-0:4.10.0-110.el9_8.2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-debugsource-0:4.10.0-110.el9_8.2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-debugsource-0:4.10.0-110.el9_8.2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-debugsource-0:4.10.0-110.el9_8.2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-debugsource-0:4.10.0-110.el9_8.2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-drac5-0:4.10.0-110.el9_8.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-eaton-snmp-0:4.10.0-110.el9_8.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • fence-agents-emerson-0:4.10.0-110.el9_8.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • +67 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.

🔗 References (6)