CVE-2021-4235 · cross-distro fix matrix

CVE-2021-4235: Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-4235 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

golang-yaml.v2→ fixed in2.2.8-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y golang-yaml.v2
```

Debian bookworm

Source: Debian Security Tracker

golang-yaml.v2→ fixed in2.2.8-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y golang-yaml.v2
```

Debian trixie

Source: Debian Security Tracker

golang-yaml.v2→ fixed in2.2.8-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y golang-yaml.v2
```

Are YOU affected by CVE-2021-4235?

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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