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3 vulnerabilities by Code::Blocks

CVE-2020-37121 (GCVE-0-2020-37121)

Vulnerability from cvelistv5 – Published: 2026-02-05 16:13 – Updated: 2026-02-06 20:33
VLAI?
Title
CODE::BLOCKS 16.01 - Buffer Overflow (SEH) UNICODE
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 M3U playlist file with 536 bytes of buffer and shellcode to trigger remote code execution.
Severity ?
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
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Code::Blocks Code::Blocks Affected: 16.01
Create a notification for this product.
Credits
T3jv1l
Show details on NVD website
To clipboard 

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CVE-2020-37040 (GCVE-0-2020-37040)

Vulnerability from cvelistv5 – Published: 2026-01-30 22:07 – Updated: 2026-02-02 20:11
VLAI?
Title
Code Blocks 17.12 - 'File Name' Local Buffer Overflow
Summary
Code Blocks 17.12 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by crafting a malicious file name with Unicode characters. Attackers can trigger the vulnerability by pasting a specially crafted payload into the file name field during project creation, potentially executing system commands like calc.exe.
Severity ?
8.4 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.4 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
Code::Blocks Code::Blocks Affected: 17.12
Create a notification for this product.
Credits
Paras Bhatia
Show details on NVD website
To clipboard 

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CVE-2020-37038 (GCVE-0-2020-37038)

Vulnerability from cvelistv5 – Published: 2026-01-30 22:07 – Updated: 2026-02-02 20:14
VLAI?
Title
Code Blocks 20.03 - Denial Of Service
Summary
Code Blocks 20.03 contains a denial of service vulnerability that allows attackers to crash the application by manipulating input in the FSymbols search field. Attackers can paste a large payload of 5000 repeated characters into the search field to trigger an application crash.
Severity ?
4.6 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version
Code::Blocks Code::Blocks Affected: 20.03
Create a notification for this product.
Credits
Paras Bhatia
Show details on NVD website
To clipboard 

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