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 segmentation faults or arbitrary code execution.

• CWE-416

• https://github.com/Z3Prover/z3/issues/3363Exploit, Issue Tracking, Patch, Third Party Advisory
• https://github.com/Z3Prover/z3/issues/3363Exploit, Issue Tracking, Patch, Third Party Advisory

Published

Aug 22, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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