CVE-2020-19725

EUVD-2020-11623
There is a use-after-free vulnerability in file pdd_simplifier.cpp in Z3 before 4.8.8. It occurs when the solver attempt to simplify the constraints and causes unexpected memory access. It can cause segmentation faults or arbitrary code execution.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
Affected Products (NVD)
VendorProductVersion
microsoftz3
𝑥
< 4.8.8
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
z3
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
ignored
xenial
needs-triage
Common Weakness Enumeration
References
https://github.com/Z3Prover/z3/issues/3363
https://github.com/Z3Prover/z3/issues/3363