mod_auth_openidc is an authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. In versions 2.0.0 through 2.4.13.1, when `OIDCStripCookies` is set and a crafted cookie supplied, a NULL pointer dereference would occur, resulting in a segmentation fault. This could be used in a Denial-of-Service attack and thus presents an availability risk. Version 2.4.13.2 contains a patch for this issue. As a workaround, avoid using `OIDCStripCookies`.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade cjoseUpgrade cjose-develUpgrade mod_auth_openidc | Nov 16, 2023 | Apr 3, 2023 |
| Centos_linux | — | Upgrade mod_auth_openidcUpgrade cjose-debuginfoUpgrade cjose-debugsourceUpgrade cjoseUpgrade cjose-develUpgrade mod_auth_openidc-debugsourceUpgrade mod_auth_openidc-debuginfo | Nov 8, 2023 | Apr 3, 2023 |
| Debian | — | Upgrade libapache2-mod-auth-openidc | May 2, 2023 | Apr 3, 2023 |
| Oracle_linux | — | Upgrade cjoseUpgrade cjose-develUpgrade mod_auth_openidc | Nov 22, 2023 | Apr 3, 2023 |
| Redhat_linux | — | Upgrade mod_auth_openidcUpgrade cjose-develUpgrade mod_auth_openidc-debuginfoUpgrade mod_auth_openidc-debugsourceUpgrade cjose-debuginfoUpgrade cjose-debugsourceUpgrade cjose | Nov 8, 2023 | Apr 3, 2023 |
| Suse | — | Upgrade apache2-mod_auth_openidc | Apr 14, 2023 | Apr 3, 2023 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Apr 3, 2023 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub