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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 …

Medium CVSS 5.5
CVECVE-2020-37121
First seen2026-08-06 23:15 UTC
Disclosed2026-02-05 17:16 UTC
Last updated2026-08-06 23:15 UTC
Channel statusauto

Summary

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.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (3)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://nutcrackerssecurity.github.io/posts/windows-exploit-dev-part-7/
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://sourceforge.net/projects/codeblocks/
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://www.codeblocks.org/

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD