CVE-2021-45423: Pev Project Pev

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A Buffer Overflow vulnerabilityexists in Pev 0.81 via the pe_exports function from exports.c.. The array offsets_to_Names is dynamically allocated on the stack using exp->NumberOfFunctions as its size. However, the loop uses exp->NumberOfNames to iterate over it and set its components value. Therefore, the loop code assumes that exp->NumberOfFunctions is greater than ordinal at each iteration. This can lead to arbitrary code execution.

Affected products

• Pev Project Pev: version 0.81 only

Published 2023-03-13. Last modified 2026-06-17.