Vulnerabilities CVE-2020-37121

CVE-2020-37121

Medium

Open

TLP:CLEAR

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

NVD CVE.org

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Description

CODE::BLOCKS 16.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler with crafted Unicode characters. Attackers can create a malicious text file with 1982 bytes of buffer and shellcode to trigger remote code execution.

Details

CVSS Score: 6.7
EPSS Score ⓘ: 0.21%

11.1th percentile
CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Confidence: 90%
Published: Feb 5, 2026
Last Modified: Aug 6, 2026

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