How severe is CVE-2019-6292?

CVE-2019-6292 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-6292 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6292?

CVE-2019-6292 affects Yaml-cpp Project Yaml-cpp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-6292?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-6292 published?

CVE-2019-6292 was published on 2019-01-15 and last updated on 2026-06-17.

CVE-2019-6292

CVE-2019-6292 is a medium-severity vulnerability in Yaml-cpp Project Yaml-cpp with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-674.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-674
Affected product: Yaml-cpp Project Yaml-cpp
Published: 2019-01-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-6292?: CVE-2019-6292 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-6292 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6292?: CVE-2019-6292 affects Yaml-cpp Project Yaml-cpp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-6292?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-6292 published?: CVE-2019-6292 was published on 2019-01-15 and last updated on 2026-06-17.

References

https://github.com/jbeder/yaml-cpp/issues/657

Affected products (1)

cpe:2.3:a:yaml-cpp_project:yaml-cpp:0.6.2:*:*:*:*:*:*:*

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