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 3
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | cjose | 0.6.1-5.module_el8.10.0+4297+63ae3533 |
| AlmaLinux · 8 | cjose-devel | 0.6.1-5.module_el8.10.0+4297+63ae3533 |
| AlmaLinux · 8 | mod_auth_openidc | 2.4.9.4-9.module_el8.10.0+4297+63ae3533 |
Vulnerabilities 2
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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…
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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…