Description
MooTools is a collection of JavaScript utilities for JavaScript developers. All known versions include a CSS selector parser that is vulnerable to Regular Expression Denial of Service (ReDoS). An attack requires that an attacker can inject a string into a CSS selector at runtime, which is quite common with e.g. jQuery CSS selectors. No patches are available for this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| mootools | mootools-core | 1.6.0 – ≤ 1.6.0 | — |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | mootools | No fix yet | — |
| Debian 13 | mootools | No fix yet | — |
| Debian 12 | mootools | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | mootools | No fix yet | — |
| Ubuntu 26.04 LTS | mootools | No fix yet | — |
| Ubuntu 25.10 | mootools | No fix yet | — |
| Ubuntu 24.04 LTS | mootools | No fix yet | — |
| Ubuntu 22.04 LTS | mootools | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | mootools | No fix yet | — |
| Ubuntu 18.04 LTS | mootools | No fix yet | — |
| Ubuntu 16.04 LTS | mootools | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | mootools | <= 1.5.2 | — | GHSA-v63q-hgqc-qvpg |