CVE-2020-6817
Published
CVSS v3
7.5
HIGH
CVSS v2
N/A
Affected
1
PROJECT
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']}).
Bleach is an allowed-list-based HTML sanitizing library that escapes or strips markup and attributes