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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.

PUBLISHED Reserved 2026-01-28 | Published 2026-01-30 | Updated 2026-02-02 | Assigner VulnCheck




MEDIUM: 4.6CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

Allocation of Resources Without Limits or Throttling

Product status

20.03
affected

Credits

Paras Bhatia finder

References

www.exploit-db.com/exploits/48617 (ExploitDB-48617) exploit

www.codeblocks.org/ (Code Blocks Official Homepage) product

sourceforge.net/projects/codeblocks (Code Blocks SourceForge Page) product

www.vulncheck.com/advisories/code-blocks-denial-of-service (VulnCheck Advisory: Code Blocks 20.03 - Denial Of Service) third-party-advisory

cve.org (CVE-2020-37038)

nvd.nist.gov (CVE-2020-37038)

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