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facebook hhvm vulnerabilities and exploits
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7.5
CVSSv3
CVE-2018-6335
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 ...
Facebook Hhvm
Facebook Hhvm 3.24.6
Facebook Hhvm 3.25.2
9.8
CVSSv3
CVE-2019-11925
Insufficient boundary checks when processing the JPEG APP12 block marker in the GD extension could allow access to out-of-bounds memory via a maliciously constructed invalid JPEG input. This issue affects HHVM versions before 3.30.9, all versions between 4.0.0 and 4.8.3, all vers...
Facebook Hhvm 4.19.0
Facebook Hhvm
9.8
CVSSv3
CVE-2019-11926
Insufficient boundary checks when processing M_SOFx markers from JPEG headers in the GD extension could allow access to out-of-bounds memory via a maliciously constructed invalid JPEG input. This issue affects HHVM versions before 3.30.9, all versions between 4.0.0 and 4.8.3, all...
Facebook Hhvm 4.19.0
Facebook Hhvm
5.9
CVSSv3
CVE-2018-6332
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...
Facebook Hhvm 3.24.3
Facebook Hhvm
8.1
CVSSv3
CVE-2018-6340
The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).
Facebook Hhvm
Facebook Hhvm 3.30
7.5
CVSSv3
CVE-2018-6337
folly::secureRandom will re-use a buffer between parent and child processes when fork() is called. That will result in multiple forked children producing repeat (or similar) results. This affects HHVM 3.26 before 3.26.3 and the folly library between v2017.12.11.00 and v2018.08.09...
Facebook Folly
Facebook Hhvm
9.8
CVSSv3
CVE-2016-1000004
Insufficient type checks were employed prior to casting input data in SimpleXMLElement_exportNode and simplexml_import_dom. This issue affects HHVM versions before 3.9.5, all versions between 3.10.0 and 3.12.3 (inclusive), and all versions between 3.13.0 and 3.14.1 (inclusive).
Facebook Hhvm
9.8
CVSSv3
CVE-2016-1000006
hhvm prior to 3.12.11 has a use-after-free in the serialize_memoize_param() and ResourceBundle::__construct() functions.
Facebook Hhvm
5.3
CVSSv3
CVE-2016-1000109
HHVM does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect CGI applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote malicious users to redirect a CGI application...
Facebook Hhvm
1 Article
9.8
CVSSv3
CVE-2018-6345
The function number_format is vulnerable to a heap overflow issue when its second argument ($dec_points) is excessively large. The internal implementation of the function will cause a string to be created with an invalid length, which can then interact poorly with other functions...
Facebook Hhvm
CVSSv3
CVSSv2
CVSSv3
VMScore
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