CVE-2014-6229
mediumpriority · track · 21EPSS 0.017 · 77 %ileEUUSEPSS · scored 2026-10-27
The HashContext class in hphp/runtime/ext/ext_hash.cpp in Facebook HipHop Virtual Machine (HHVM) before 3.3.0 incorrectly expects that a certain key string uses '\0' for termination, which allows remote attackers to obtain sensitive information by leveraging read access beyond the end of the string, and makes it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging truncation of a string containing an internal '\0' character.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
- facebook hiphop virtual machine≤ 3.2.0nvdUScpe:2.3:a:facebook:hiphop_virtual_machine:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- http://hhvm.com/blog/6239/hhvm-3-3-0cnnvd
- https://github.com/facebook/hhvm/commit/7135ec229882370a00411aa50030eada6034cc1bcnnvd
- http://hhvm.com/blog/6239/hhvm-3-3-0enisa_euvd
- https://github.com/facebook/hhvm/commit/7135ec229882370a00411aa50030eada6034cc1benisa_euvd
- http://hhvm.com/blog/6239/hhvm-3-3-0Vendor Advisorynvd
- https://github.com/facebook/hhvm/commit/7135ec229882370a00411aa50030eada6034cc1bnvd
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