Vulnerability identifier: #VU12901
Vulnerability risk: Low
Exploitation vector: Network
Vendor: PHP Group
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the gdImageFillToBorder function in gd.c due to stack consumption. A remote attacker can submit a specially crafted imagefilltoborder call that triggers use of a negative color value and cause the service to crash.
Update libgd to 2.2.2 or PHP to 5.6.28 or 7.0.13.
Vulnerable software versions
PHP: 5.6.0 - 5.6.27, 7.0.0 - 7.0.12
Fixed software versions
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?