Vulnerability in Yaml-Cpp Project

CVE-2019-6292

An issue was discovered in singledocparser.cpp in yaml-cpp (aka LibYaml-C++) 0.6.2. Stack Exhaustion occurs in YAML::SingleDocParser, and there is a stack consumption problem caused by recursive stack frames: HandleCompactMap, HandleMap, HandleFlowSequence, HandleSequence, HandleNode. Remote attackers could leverage this vulnerability to cause a denial-of-service via a cpp file.

EPSS: 0.017 (75.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-6292?
CVE-2019-6292 is a medium-severity vulnerability in Yaml-Cpp Project, classified under Uncontrolled Recursion. CVSS score: 6.5/10. Published 2019-01-15.
How severe is CVE-2019-6292?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2019-6292 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.