NetSight
critical9.8

CVE-2016-4537

The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 accepts a negative integer for the scale argument,…

Impact

The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 accepts a negative integer for the scale argument, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.

Affected products

VendorProductAffected versions
PhpPhp
through 5.5.34
Versions 5.6.0, 5.6.1, 5.6.2, 5.6.3, 5.6.4
OpensuseLeap
Version 42.1
FedoraprojectFedora
Version 24

Weakness classification

References