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, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
debianCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
VendorProductVersion
phpphp
𝑥
≤ 5.5.34
phpphp
5.6.0
phpphp
5.6.1
phpphp
5.6.2
phpphp
5.6.3
phpphp
5.6.4
phpphp
5.6.5
phpphp
5.6.6
phpphp
5.6.7
phpphp
5.6.8
phpphp
5.6.9
phpphp
5.6.10
phpphp
5.6.11
phpphp
5.6.12
phpphp
5.6.13
phpphp
5.6.14
phpphp
5.6.15
phpphp
5.6.16
phpphp
5.6.17
phpphp
5.6.18
phpphp
5.6.19
phpphp
5.6.20
phpphp
7.0.0
phpphp
7.0.1
phpphp
7.0.2
phpphp
7.0.3
phpphp
7.0.4
phpphp
7.0.5
opensuseleap
42.1
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
php5
xenial
dne
wily
Fixed 5.6.11+dfsg-1ubuntu3.4
released
trusty
Fixed 5.5.9+dfsg-1ubuntu4.17
released
precise
Fixed 5.3.10-1ubuntu3.23
released
php7.0
xenial
Fixed 7.0.4-7ubuntu2.1
released
wily
dne
trusty
dne
precise
dne
References