Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Code::Blocks | Code::Blocks | 20.03 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | codeblocks | No fix yet | — |
| Ubuntu 26.04 LTS | codeblocks | No fix yet | — |
| Ubuntu 25.10 | codeblocks | No fix yet | — |
| Ubuntu 24.04 LTS | codeblocks | No fix yet | — |
| Ubuntu 22.04 LTS | codeblocks | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | codeblocks | No fix yet | — |
| Ubuntu 18.04 LTS | codeblocks | No fix yet | — |
| Ubuntu 16.04 LTS | codeblocks | No fix yet | — |
References
- ExploitDB-48617 exploit
- Code Blocks Official Homepage product
- Code Blocks SourceForge Page product
- VulnCheck Advisory: Code Blocks 20.03 - Denial Of Service third-party-advisory