Detections
Analytics

CVE-2016-6870

critical

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.

References

http://www.openwall.com/lists/oss-security/2016/08/19/1

http://www.openwall.com/lists/oss-security/2016/08/11/1

https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2

Details

Source: Mitre, NVD

Published: 2017-02-17

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00789