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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.79% Top 30%
Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2016/08/11/1 mailing list third party advisory patch
https://github.com/facebook/hhvm/commit/365abe807cab2d60dc9ec307292a06181f77a9c2 patch vendor advisory
http://www.openwall.com/lists/oss-security/2016/08/19/1 mailing list third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2016-6870?
CVE-2016-6870 has been scored as a critical severity vulnerability.
How to fix CVE-2016-6870?
To fix CVE-2016-6870, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-6870 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-6870 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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