Out-of-Bounds Affecting yaml-cpp package, versions <0.6.3-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ECHOLATEST-YAMLCPP-20153843
- published26 Sept 2026
- disclosed28 Dec 2018
Introduced: 28 Dec 2018
CVE-2018-20573 (opens in a new tab)How to fix?
Upgrade Echo:latest yaml-cpp to version 0.6.3-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream yaml-cpp package and not the yaml-cpp package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
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.