CVE-2018-6335

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductFacebook Hhvm
PublishedDec 31, 2018
First seenDec 31, 2018

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
facebook hhvmv ≤ 3.21.10, 3.24.6, 3.25.2—

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