What’s Vulnerable › Vulnerabilities

CVE-2020-37038: Code Blocks 20.03 - Denial Of Service

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-30 · updated 2026-06-17
• Weakness: CWE-770

Description

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: 20.03

References

• http://www.codeblocks.org/
• https://sourceforge.net/projects/codeblocks
• https://www.exploit-db.com/exploits/48617
• https://www.vulncheck.com/advisories/code-blocks-denial-of-service

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