CVE-2025-15646 · cross-distro fix matrix

CVE-2025-15646: HTML::Gumbo versions before 0.19 for Perl disclose heap memory via type confusion. Support for the <template> element was added to libgumbo 0.10.0 in 2015, but the walk_tree function in lib/HTML/Gumbo.xs was not updated to support it. The element was treated as a text-node, where strlen() over-read

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-15646 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

libhtml-gumbo-perl→ fixed in0.18-3+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libhtml-gumbo-perl
```

Debian trixie

Source: Debian Security Tracker

libhtml-gumbo-perl→ fixed in0.18-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libhtml-gumbo-perl
```

Are YOU affected by CVE-2025-15646?

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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