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OpenAdvisories
High RLSA-2026:13672 2 CVEs

Important: fence-agents security update

Published May 6, 2026 · Updated May 6, 2026

Summary

The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or unreachable nodes to be forcibly restarted and removed from the cluster.

Security Fix(es):

* cryptography: cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves (CVE-2026-26007)

* pyjwt: PyJWT accepts unknown `crit` header extensions (RFC 7515 ?4.1.11 MUST violation) (CVE-2026-32597)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 fence-agents 0:4.10.0-98.el9_7.12

Vulnerabilities 2

  • High 8.2

    cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves

    cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 46.0.5, the public_key_from_numbers (or EllipticCurvePublicNumbers.public_key()), EllipticCurvePublicNumbers.public_key(), load_der_public_key() a…

  • High 7.5

    PyJWT accepts unknown `crit` header extensions (RFC 7515 §4.1.11 MUST violation)

    PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit (Critical) Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the librar…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2438762
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2447194