CVE-2016-5768
critical-risk
Published 2016-08-07
Double free vulnerability in the _php_mb_regex_ereg_replace_exec function in php_mbregex.c in the mbstring extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by leveraging a callback exception.
Do I need to act?
!
21.0% chance of exploitation in next 30 days
EPSS score — higher than 79% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
References (28)
Release Notes
http://php.net/ChangeLog-7.php
Release Notes
http://www.openwall.com/lists/oss-security/2016/06/23/4
Release Notes
http://php.net/ChangeLog-7.php
and 8 more references
70
/ 100
critical-risk
Severity
32/34 · Critical
Exploitability
14/34 · Moderate
Exposure
24/34 · High