CVE-2016-5770: Integer Overflow
Integer overflow in the SplFileObject::fread function in spldirectory.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a large integer argument, a related issue to CVE-2016-5096.
Affected Software
Remediation
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2016-5770?
CVE-2016-5770 has a medium severity level, posing a risk of denial of service and potentially allowing unspecified impacts.
How do I fix CVE-2016-5770?
To fix CVE-2016-5770, upgrade your PHP installation to version 5.5.37 or later or 5.6.23 or later.
Which versions of PHP are affected by CVE-2016-5770?
CVE-2016-5770 affects PHP versions prior to 5.5.37, 5.6.0 to 5.6.22, and 7.0.0 to 7.0.8.
What causes the vulnerability in CVE-2016-5770?
The vulnerability in CVE-2016-5770 is caused by an integer overflow in the SplFileObject::fread function.
Can CVE-2016-5770 be exploited remotely?
Yes, CVE-2016-5770 can be exploited remotely by attackers using a large integer argument to trigger denial of service.