CVE-2015-4155 · cross-distro fix matrix

CVE-2015-4155: GNU Parallel before 20150422, when using (1) --pipe, (2) --tmux, (3) --cat, (4) --fifo, or (5) --compress, allows local users to write to arbitrary files via a symlink attack on a temporary file.

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

Fix per ecosystem

Each block below is a distro release where CVE-2015-4155 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

parallel→ fixed in20161222-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y parallel
```

Debian bookworm

Source: Debian Security Tracker

parallel→ fixed in20161222-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y parallel
```

Debian trixie

Source: Debian Security Tracker

parallel→ fixed in20161222-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y parallel
```

Are YOU affected by CVE-2015-4155?

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-2015-4155dropped 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. From $9/mo, 14-day free trial, cancel anytime.

See StackPatch (from $9/mo)