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CVE-2020-6817
Published: Feb 16, 2023
Modified: Mar 19, 2025
PUBLISHED
Description
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']}).
| Vendor | Product | Versions |
|---|---|---|
Mozilla | Mozilla Bleach | affected unspecified - < 3.1.4 |
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