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.
History

Tue, 03 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Codeblocks
Codeblocks code::blocks
Vendors & Products Codeblocks
Codeblocks code::blocks

Mon, 02 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 30 Jan 2026 22:30:00 +0000

Type Values Removed Values Added
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.
Title Code Blocks 20.03 - Denial Of Service
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-01-30T22:07:14.082Z

Updated: 2026-02-02T20:14:50.368Z

Reserved: 2026-01-28T18:18:30.524Z

Link: CVE-2020-37038

cve-icon Vulnrichment

Updated: 2026-02-02T20:14:45.719Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-30T23:16:09.237

Modified: 2026-02-03T16:44:36.630

Link: CVE-2020-37038

cve-icon Redhat

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