| Package | Affected versions | Patched versions |
|---|---|---|
| bleach | < 3.1.4 | 3.1.4 |
| bleach | < 3.1.4 | 3.1.4 |
bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS).
Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']}).
3.1.4
do not whitelist the style attribute in bleach.clean calls
limit input string length
If you have any questions or comments about this advisory:
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free