Buffer overflow in Pyyaml Libyaml

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.

Vulnerability class: Buffer Overflow

EPSS: 0.074 (93.8th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References