CVE-2020-37121: Code::blocks

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

CODE::BLOCKS 16.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler with crafted Unicode characters. Attackers can create a malicious text file with 1982 bytes of buffer and shellcode to trigger remote code execution.

Affected products

• Code::blocks Code::blocks: version 16.01 only

Published 2026-02-05. Last modified 2026-08-06.