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5.9 Medium

CVE-2018-6332 A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 settings which can cause the server to…

Description

A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 settings which can cause the server to spend disproportionate resources. This affects all supported versions of HHVM (3.24.3 and 3.21.7 and below) when using the proxygen server to handle HTTP2 requests.

Affected products and versions

Product Affected versions Fixed in
HHVM 3.24.4 No fix stated
HHVM 3.22 3.22.0 → latest No fix stated
HHVM 3.21 earliest → 3.21.8 3.21.8

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