Description
mod_auth_openidc 2.4.0 to 2.4.7 allows a remote attacker to cause a denial-of-service (DoS) condition via unspecified vectors.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ZmartZone | mod_auth_openidc | 2.4.0 to 2.4.7 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libapache2-mod-auth-openidc | 2.4.4.1-2 | — |
| Debian 13 | libapache2-mod-auth-openidc | 2.4.4.1-2 | — |
| Debian 12 | libapache2-mod-auth-openidc | 2.4.4.1-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libapache2-mod-auth-openidc | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | apache2-mod_auth_openidc | 2.4.0-3.14.1 | SUSE-SU-2021:1900-1 |
| SLES 12 SP4 | apache2-mod_auth_openidc | 2.4.0-3.14.1 | SUSE-SU-2021:1900-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | apache2-mod_auth_openidc | 2.4.0-3.14.1 | SUSE-SU-2021:1900-1 |
| SLES for SAP 12 SP4 | apache2-mod_auth_openidc | 2.4.0-3.14.1 | SUSE-SU-2021:1900-1 |
| SUSE OpenStack Cloud Crowbar 9 | apache2-mod_auth_openidc | 2.4.0-3.14.1 | SUSE-SU-2021:1900-1 |
| SUSE OpenStack Cloud 9 | apache2-mod_auth_openidc | 2.4.0-3.14.1 | SUSE-SU-2021:1900-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | mod_auth_openidc | 2.4.14.2-1 | — |
Advisories 1
- SUSE-SU-2021:1900-1 Security update for apache2-mod_auth_openidc SUSE / openSUSE Security Updates · Feb 4, 2026