What’s Vulnerable › Vulnerabilities

CVE-2018-20573

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-12-28 · updated 2026-06-17
• Weakness: CWE-119

Description

The Scanner::EnsureTokensInQueue function in yaml-cpp (aka LibYaml-C++) 0.6.2 allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted YAML file.

Affected products

• Yaml-Cpp Project Yaml-Cpp: 0.6.2

References

• https://github.com/jbeder/yaml-cpp/issues/655
• http://seclists.org/fulldisclosure/2024/Nov/0
• https://github.com/jbeder/yaml-cpp/issues/655

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