PT-2026-5478 · Unknown · Code Blocks 20.03

Paras Bhatia · CVE-2020-37038 · Published 2026-01-30 · Updated 2026-01-31

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Code Blocks version 20.03

Description The software contains a denial of service issue that allows attackers to crash the application. This is achieved by manipulating input in the FSymbols search field. Specifically, attackers can paste a large payload of 5000 repeated characters into the search field to trigger the application crash.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2020-37038

Affected Products

Code Blocks 20.03

References · 11

• 🔥 https://exploit-db.com/exploits/48617 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-37038 · Security Note
• https://cve.org/CVERecord?id=CVE-2020-37038 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-37038 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-37038 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-37038 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-37038 · Vendor Advisory
• https://t.me/CVEtracker/43355 · Telegram Post
• https://sourceforge.net/projects/codeblocks · Note
• http://codeblocks.org · Note
• https://vulncheck.com/advisories/code-blocks-denial-of-service · Note