Unrated severityNVD Advisory· Published Dec 31, 2018· Updated May 6, 2025
CVE-2018-6335
CVE-2018-6335
Description
A Malformed h2 frame can cause 'std::out_of_range' exception when parsing priority meta data. This behavior can lead to denial-of-service. This affects all supported versions of HHVM (3.25.2, 3.24.6, and 3.21.10 and below) when using the proxygen server to handle HTTP2 requests.
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Affected products
2Patches
Vulnerability mechanics
References
2- github.com/facebook/hhvm/commit/4cb57dd753a339654ca464c139db9871fe961d56mitrex_refsource_MISC
- hhvm.com/blog/2018/05/04/hhvm-3.25.3.htmlmitrex_refsource_MISC
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