CVE-2026-30923 · cross-distro fix matrix

CVE-2026-30923: ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Libmodsecurity is one component of the ModSecurity v3 project. A segmentation fault occur

Affects 2 Linux releases across 2 (distro × package) combinations. First disclosed: 2026-05-05.

CVSS v3:HIGH · 7.5(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-30923 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

modsecurity→ fixed in3.0.9-1+deb12u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y modsecurity
```

Debian trixie

Source: Debian Security Tracker

modsecurity→ fixed in3.0.14-1+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y modsecurity
```

Are YOU affected by CVE-2026-30923?

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

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