CVE-2016-6870 in Facebook HHVM

Summary

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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• Reservation: 08/18/2016
• Disclosure: 02/17/2017
• Moderation: VulDB entry created
• Entries: VDB-97104 (1)
• CPE: ready
• CWE: CWE-787 (Confirmed)
• CVSS: 8.5
• EPSS: 0.00970
• Activities: Very Low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2016-6870
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-6870
• CVE Details: https://www.cvedetails.com/cve/CVE-2016-6870/