CVE-2020-37038 - CVE House

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Status published Medium CVE-2020-37038

Code Blocks 20.03 - Denial Of Service

4.6 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Paras Bhatia

References

More from Code::Blocks

View All →

CODE::BLOCKS 16.01 - Buffer Overflow (SEH) UNICODE

Code Blocks 17.12 - 'File Name' Local Buffer Overflow

Affected Vendor

Code::Blocks

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Affected Software

Code::Blocks

Vulnerable Versions:

20.03

Timeline

Official Publish: January 30th, 2026

Last Modified: February 2nd, 2026

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1498 Network Denial of Service

T1190 Exploit Public-Facing Application

T1562 Impair Defenses

Defense Evasion

T1046 Network Service Discovery