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HIGH · 7.8

CVE-2020-19725

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 s...

Vulnerability Description

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.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftZ3< 4.8.8

Related Weaknesses (CWE)

CWE-416

References

FAQ

What is CVE-2020-19725?

CVE-2020-19725 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 s...

How severe is CVE-2020-19725?

CVE-2020-19725 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-19725?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Z3.