CVE-2013-6393 · cross-distro fix matrix

CVE-2013-6393: The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.

Affects 3 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2013-6393 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libyaml→ fixed in0.1.4-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libyaml
```
libyaml-libyaml-perl→ fixed in0.41-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libyaml-libyaml-perl
```

Debian bookworm

Source: Debian Security Tracker

libyaml→ fixed in0.1.4-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libyaml
```
libyaml-libyaml-perl→ fixed in0.41-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libyaml-libyaml-perl
```

Debian trixie

Source: Debian Security Tracker

libyaml→ fixed in0.1.4-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libyaml
```
libyaml-libyaml-perl→ fixed in0.41-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libyaml-libyaml-perl
```

Are YOU affected by CVE-2013-6393?

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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