Vulnerability Details : CVE-2015-6831

Multiple use-after-free vulnerabilities in SPL in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allow remote attackers to execute arbitrary code via vectors involving (1) ArrayObject, (2) SplObjectStorage, and (3) SplDoublyLinkedList, which are mishandled during unserialization.
Published 2016-01-19 05:59:03
Updated 2022-08-05 14:28:45
Source SUSE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute code

Threat overview for CVE-2015-6831

Top countries where our scanners detected CVE-2015-6831
Top open port discovered on systems with this issue 80
IPs affected by CVE-2015-6831 318,940
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2015-6831!
*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-2015-6831

Probability of exploitation activity in the next 30 days: 2.19%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 88 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2015-6831

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
7.3
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
3.9
3.4
 NIST

CWE ids for CVE-2015-6831

  • Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-6831

Products affected by CVE-2015-6831

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