The grapheme_stripos function in ext/intl/grapheme/grapheme_string.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a negative offset.
Published 2016-05-22 01:59:25
Updated 2018-10-30 16:27:32
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2016-4540

Top countries where our scanners detected CVE-2016-4540
Top open port discovered on systems with this issue 80
IPs affected by CVE-2016-4540 141,519
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2016-4540!
*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-2016-4540

Probability of exploitation activity in the next 30 days: 3.24%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 90 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2016-4540

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

References for CVE-2016-4540

Products affected by CVE-2016-4540

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!