CVE-2024-28820 · cross-distro fix matrix

CVE-2024-28820: Buffer overflow in the extract_openvpn_cr function in openvpn-cr.c in openvpn-auth-ldap (aka the Three Rings Auth-LDAP plugin for OpenVPN) 2.0.4 allows attackers with a valid LDAP username and who can control the challenge/response password field to pass a string with more than 14 colons into this f

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

Fix per ecosystem

Each block below is a distro release where CVE-2024-28820 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

openvpn-auth-ldap→ fixed in2.0.4-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openvpn-auth-ldap
```

Alpine v3.21

Source: Alpine secdb

openvpn-auth-ldap→ fixed in2.0.4-r7

apk update && apk add --upgrade openvpn-auth-ldap

Alpine edge

Source: Alpine secdb

openvpn-auth-ldap→ fixed in2.0.4-r7

apk update && apk add --upgrade openvpn-auth-ldap

Are YOU affected by CVE-2024-28820?

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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