CVE-2020-37121 | THREATINT

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 M3U playlist file with 536 bytes of buffer and shellcode to trigger remote code execution.

PUBLISHED Reserved 2026-02-03 | Published 2026-02-05 | Updated 2026-02-06 | Assigner VulnCheck

MEDIUM: 6.7CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

MEDIUM: 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Problem types

Stack-based Buffer Overflow

Product status

Default status

unaffected

16.01

affected

Credits

T3jv1l finder

References

www.exploit-db.com/exploits/48344 (ExploitDB-48344) exploit

www.codeblocks.org/ (CODE::BLOCKS Product Homepage) product

sourceforge.net/projects/codeblocks/ (CODE::BLOCKS SourceForge Repository) product

www.vulncheck.com/.../codeblocks-buffer-overflow-seh-unicode (VulnCheck Advisory: CODE::BLOCKS 16.01 - Buffer Overflow (SEH) UNICODE) third-party-advisory

cve.org (CVE-2020-37121)

nvd.nist.gov (CVE-2020-37121)

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