All versions of package scss-tokenizer are vulnerable to Regular Expression Denial of Service (ReDoS) via the loadAnnotation() function, due to the usage of insecure regex.
The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Scss-tokenizer | Scss-tokenizer_project | * | * |
| Node-node-sass | Ubuntu | impish | * |
| Node-node-sass | Ubuntu | kinetic | * |
| Node-node-sass | Ubuntu | lunar | * |
| Node-node-sass | Ubuntu | mantic | * |
Attackers can create crafted inputs that
intentionally cause the regular expression to use
excessive backtracking in a way that causes the CPU
consumption to spike.