CVE-2017-11692 Denial of service in n/a

High 7.5 Published Updated

Remote attackers can cause a denial of service via assertion failure in yaml-cpp by submitting a specific string, requiring library upgrades.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-11692?

CVE-2017-11692 is a high-severity denial of service vulnerability in n/a, published on 30 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-617

Which versions are affected by CVE-2017-11692?

It affects 1 product.

Products include Yaml-Cpp Project Yaml-Cpp.

How do I fix CVE-2017-11692?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2017-11692 being exploited?

There is no known exploitation of CVE-2017-11692 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2017-11692, GHSA-cmh2-2g79-cxcq, JLSEC-2026-22, OESA-2025-2650, OESA-2025-2651, OESA-2025-2652 and 1 more.

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