Critical severity9.8NVD Advisory· Published Feb 17, 2017· Updated Jun 17, 2026
CVE-2016-6870
CVE-2016-6870
Description
Out-of-bounds write in the (1) mb_detect_encoding, (2) mb_send_mail, and (3) mb_detect_order functions in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.
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Affected products
2Patches
Vulnerability mechanics
References
3- www.openwall.com/lists/oss-security/2016/08/11/1nvdMailing ListPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2016/08/19/1nvdMailing ListPatchThird Party Advisory
- github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2nvdPatchVendor Advisory
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