CVE-2020-1919

EUVD-2020-12740
Incorrect bounds calculations in substr_compare could lead to an out-of-bounds read when the second string argument passed in is longer than the first. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
Affected Products (NVD)
VendorProductVersion
facebookhhvm
𝑥
< 4.56.3
facebookhhvm
4.57.0 ≤
𝑥
< 4.80.2
facebookhhvm
4.81.0 ≤
𝑥
< 4.93.2
facebookhhvm
4.94.0
facebookhhvm
4.95.0
facebookhhvm
4.96.0
facebookhhvm
4.97.0
facebookhhvm
4.98.0
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
hhvm
bionic
needs-triage
focal
dne
groovy
dne
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
dne
xenial
needs-triage