CVE-2016-4538
PoC —CVSS 3.0
9.8 critical
EPSS
6%p93
Published
()
Modified
Description
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 modifies certain data structures without considering whether they are copies of the _zero_, _one_, or _two_ global variable, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
- Vendors
- phpfedoraprojectopensuse
- Products
- php, fedora, leap
- Weakness
- CWE-20
- Vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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