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: DoS via Empty POST in mod_auth_openidc with OIDCPreservePost Enabled (CVE-2025-3891)
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 5
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | cjose | 0.6.1-4.module_el8.9.0+3631+0ced13d7 |
| AlmaLinux · 8 | cjose | 0.6.1-4.module_el8.10.0+3881+234adf82 |
| AlmaLinux · 8 | cjose-devel | 0.6.1-4.module_el8.9.0+3631+0ced13d7 |
| AlmaLinux · 8 | cjose-devel | 0.6.1-4.module_el8.10.0+3881+234adf82 |
| AlmaLinux · 8 | mod_auth_openidc | 2.4.9.4-8.module_el8.10.0+3988+526f0275 |
Vulnerabilities 1
-
High 7.5
Mod_auth_openidc: dos via empty post in mod_auth_openidc with oidcpreservepost enabled
A flaw was found in the mod_auth_openidc module for Apache httpd. This flaw allows a remote, unauthenticated attacker to trigger a denial of service by sending an empty POST request when the OIDCPreservePost directive is enabled. The server crashes consistent…