CVE-2025-54813 · cross-distro fix matrix

CVE-2025-54813: Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printable characters, these will be passed along in the message and written out as part of the JSON messag

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

Fix per ecosystem

Each block below is a distro release where CVE-2025-54813 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

log4cxx→ fixed in0.11.0-2+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y log4cxx
```

Debian bookworm

Source: Debian Security Tracker

log4cxx→ fixed in1.0.0-1+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y log4cxx
```

Debian trixie

Source: Debian Security Tracker

log4cxx→ fixed in1.4.0-1+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y log4cxx
```

Are YOU affected by CVE-2025-54813?

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

CVE-2025-54813dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)