Description
An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the cleo PyPI package, when an attacker is able to supply arbitrary input to the Table.set_rows method
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| cleo | cleo | < 1.0.0 | 1.0.0 |
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 | python-cleo | No fix yet | — |
| Ubuntu 26.04 LTS | python-cleo | No fix yet | — |
| Ubuntu 25.10 | python-cleo | No fix yet | — |
| Ubuntu 24.04 LTS | python-cleo | No fix yet | — |
| Ubuntu 22.04 LTS | python-cleo | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | cleo | >= 1.0.0a1, < 2.0.0 | 2.0.0 | GHSA-2p9h-ccw7-33gf |
| PyPI | cleo | < 2.0.0 | 2.0.0 | PYSEC-2022-43178 |