CVE-2016-4537 PUBLISHED

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.

EPSS 6.48% · 91.0th percentile

Risk Scores

EPSS Score
6.48%
91.0th percentile

Affected Products

VendorProductVersions
Ubuntu:14.04:LTSphp50, 5.5.3+dfsg-1ubuntu2, 5.5.3+dfsg-1ubuntu3
Ubuntu:16.04:LTSphp7.00, 7.0.1-5, 7.0.1-6

Timeline

References

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