CVE-2025-46420 · cross-distro fix matrix

CVE-2025-46420: A flaw was found in libsoup. It is vulnerable to memory leaks in the soup_header_parse_quality_list() function when parsing a quality list that contains elements with all zeroes.

Affects 2 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-46420 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

libsoup3→ fixed in3.2.3-0+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libsoup3
```

Debian trixie

Source: Debian Security Tracker

libsoup2.4→ fixed in2.74.3-10.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libsoup2.4
```
libsoup3→ fixed in3.6.4-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libsoup3
```

Are YOU affected by CVE-2025-46420?

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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