CVE-2021-32791 · cross-distro fix matrix

CVE-2021-32791: mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In mod_auth_openidc before version 2.4.9, the AES GCM encryption in mod_auth_openidc uses a static IV

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-32791 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libapache2-mod-auth-openidc→ fixed in2.4.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libapache2-mod-auth-openidc
```

Debian bookworm

Source: Debian Security Tracker

libapache2-mod-auth-openidc→ fixed in2.4.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libapache2-mod-auth-openidc
```

Debian trixie

Source: Debian Security Tracker

libapache2-mod-auth-openidc→ fixed in2.4.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libapache2-mod-auth-openidc
```

Are YOU affected by CVE-2021-32791?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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