CVE-2016-5771

spl_array.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) via crafted serialized data.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 94%
VendorProductVersion
phpphp
𝑥
< 5.5.37
phpphp
5.6.0 ≤
𝑥
< 5.6.23
phpphp
7.0.0 ≤
𝑥
< 7.0.8
opensuseleap
42.1
opensuseopensuse
13.2
debiandebian_linux
8.0
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
php5
xenial
dne
wily
ignored
trusty
Fixed 5.5.9+dfsg-1ubuntu4.19
released
precise
ignored
php7.0
xenial
not-affected
wily
dne
trusty
dne
precise
dne