CVE-2020-37121

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

CVSS 6.7 MEDIUMEPSS 0.2%CWE-121

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.7EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

05 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Code::Blocks · Code::Blocks

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://sourceforge.net/projects/codeblocks/https://www.codeblocks.org/https://www.exploit-db.com/exploits/48344 https://www.vulncheck.com/advisories/codeblocks-buffer-overflow-seh-unicode