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OpenAdvisories
High RLSA-2026:77369 2 CVEs

Important: mod_auth_openidc:2.3 security update

Published Oct 8, 2026 · Updated Oct 8, 2026

Summary

The mod_auth_openidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Connect Relying Party and/or OAuth 2.0 Resource Server.

Security Fix(es):

* mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing (CVE-2026-54789)

* cjose: cjose: Heap buffer overflow in AES Key Wrap decryption leads to denial of service (CVE-2026-53938)

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 2

ReleasePackageFixed in
Rocky Linux · 8 cjose 0:0.6.1-5.module+el8.10.0+40373+8a3f15d2
Rocky Linux · 8 mod_auth_openidc 0:2.4.9.4-9.module+el8.10.0+40373+8a3f15d2

Vulnerabilities 2

  • High 8.2

    OpenIDC/cjose has a heap buffer overflow in AES Key Wrap decryption (A128KW/A192KW/A256KW)

    OpenIDC/cjose is a C library implementing the Javascript Object Signing and Encryption (JOSE). Prior to version 0.6.2.5, cjose's JWE decryption path for the AES Key Wrap key-management algorithms (`alg` = `A128KW`, `A192KW`, `A256KW`) does not validate the le…

  • High 7.5

    mod_auth_openidc has out-of-bounds read and write in state cookie parsing

    mod_auth_openidc is an OpenID Certified authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. Prior to 2.4.19.4, an out-of-bounds read and a one-byte out-of-bounds write exist in…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2521051
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2530240
  • advisory
    https://access.redhat.com/errata/RHSA-2026:77369