Vulnerability Details : CVE-2016-5768

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.
Published 2016-08-07 10:59:16
Updated 2018-01-05 02:31:04
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute codeDenial of service

Threat overview for CVE-2016-5768

Top countries where our scanners detected CVE-2016-5768
Top open port discovered on systems with this issue 80
IPs affected by CVE-2016-5768 229,630
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2016-5768!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2016-5768

Probability of exploitation activity in the next 30 days: 10.54%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 94 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2016-5768

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.5
 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
 NIST
9.8
 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST

CWE ids for CVE-2016-5768

  • The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-5768

Products affected by CVE-2016-5768

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