CVE-2020-37121
CODE::BLOCKS 16.01 - Buffer Overflow (SEH) UNICODE
- State
- Published
- Severity
- 6.7 Medium
- Published
- Feb 5, 2026
- Updated
- Aug 6, 2026
- Reserved
- Feb 3, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.7 Medium | 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 | VulnCheck |
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-121 Stack-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
Code::BlocksCode::Blocks |
|
References
- ExploitDB-48344exploit
- CODE::BLOCKS SourceForge Repositoryproduct
- VulnCheck Advisory: CODE::BLOCKS 16.01 - Buffer Overflow (SEH) UNICODEthird-party-advisory
- VulnCheck Advisory: CODE::BLOCKS 16.01 - Buffer Overflow (SEH) UNICODEthird-party-advisory
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