CVE-2020-6817
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']}).
- Mozilla Bleach
- < 3.1.4
- Fix
- Available
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.7% (50th percentile)
- Weakness
- CWE-1333
- NVD status
- Modified
- Published
- 2023-02-16
CVE-2020-6817 at NVD
No indexed exploits for CVE-2020-6817 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2020-6817 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.