USN-2461-3

Stanisław Pitucha and Jonathan Gray discovered that PyYAML did not properly handle wrapped strings. An attacker could create specially crafted YAML data to trigger an assert, causing a denial of service.

References

Affected packages

Ubuntu:14.04:LTS / pyyaml

Package

Name: pyyaml
Purl: pkg:deb/ubuntu/pyyaml@3.10-4ubuntu0.1?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.10-4ubuntu0.1

Affected versions

3.*

3.10-4build2

3.10-4build3

3.10-4build4

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "python-yaml",
            "binary_version": "3.10-4ubuntu0.1"
        },
        {
            "binary_name": "python-yaml-dbg",
            "binary_version": "3.10-4ubuntu0.1"
        },
        {
            "binary_name": "python3-yaml",
            "binary_version": "3.10-4ubuntu0.1"
        },
        {
            "binary_name": "python3-yaml-dbg",
            "binary_version": "3.10-4ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}