CVE-2020-37038: Code::blocks

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Code Blocks 20.03 contains a denial of service vulnerability that allows attackers to crash the application by manipulating input in the FSymbols search field. Attackers can paste a large payload of 5000 repeated characters into the search field to trigger an application crash.

Affected products

• Code::blocks Code::blocks: version 20.03 only

Published 2026-01-30. Last modified 2026-06-17.