Unrated severityNVD Advisory· Published Jan 15, 2019· Updated Aug 5, 2024
CVE-2018-6345
CVE-2018-6345
Description
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. This affects all supported versions of HHVM (3.30.1 and 3.27.5 and below).
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Affected products
2Patches
Vulnerability mechanics
References
2- github.com/facebook/hhvm/commit/190ffdf6c8b1ec443be202c7d69e63a7e3da25e3mitrex_refsource_MISC
- hhvm.com/blog/2019/01/14/hhvm-3.30.2.htmlmitrex_refsource_MISC
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