CVE-2025-4373 · cross-distro fix matrix

CVE-2025-4373: A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite.

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

Fix per ecosystem

Each block below is a distro release where CVE-2025-4373 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

glib2.0→ fixed in2.66.8-1+deb11u7urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y glib2.0
```

Debian bookworm

Source: Debian Security Tracker

glib2.0→ fixed in2.74.6-2+deb12u7urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y glib2.0
```

Debian trixie

Source: Debian Security Tracker

glib2.0→ fixed in2.84.1-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y glib2.0
```

Are YOU affected by CVE-2025-4373?

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

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