The xml_parse_into_struct function in ext/xml/xml.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 (buffer under-read and segmentation fault) or possibly have unspecified other impact via crafted XML data in the second argument, leading to a parser level of zero.
Published 2016-05-22 01:59:24
Updated 2018-10-30 16:27:32
View at NVD,   CVE.org
Vulnerability category: OverflowMemory CorruptionDenial of service

Threat overview for CVE-2016-4539

Top countries where our scanners detected CVE-2016-4539
Top open port discovered on systems with this issue 80
IPs affected by CVE-2016-4539 299,592
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2016-4539!
*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-2016-4539

2.76%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-4539

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
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-2016-4539

References for CVE-2016-4539

Products affected by CVE-2016-4539

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