CVE-2017-11692

CVE-2017-11692 is a high-severity vulnerability in Yaml-cpp Project Yaml-cpp with a CVSS 3.x base score of 7.5. 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-617.

Key facts

Description

The function "Token& Scanner::peek" in scanner.cpp in yaml-cpp 0.5.3 and earlier allows remote attackers to cause a denial of service (assertion failure and application exit) via a '!2' string.

Frequently asked questions

What is CVE-2017-11692?
The function "Token& Scanner::peek" in scanner.cpp in yaml-cpp 0.5.3 and earlier allows remote attackers to cause a denial of service (assertion failure and application exit) via a '!2' string.
How severe is CVE-2017-11692?
CVE-2017-11692 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-11692 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11692?
CVE-2017-11692 affects Yaml-cpp Project Yaml-cpp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-11692?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-11692 published?
CVE-2017-11692 was published on 2017-07-30 and last updated on 2026-06-17.

References

Affected products (1)

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