VDB
DEBIAN-CVE-2020-6817
DEBIAN-CVE-2020-6817
PUBLISHED
CVSS 7.5 HIGH
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']}).
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | python-bleach | 0, 0, 0 |
| Debian:11 | python-bleach | 0, 0, 0 |
| Debian:12 | python-bleach | 0, 0, 0 |
| Debian:14 | python-bleach | 0, 0, 0 |
Timeline
- Feb 16, 2023 CVE Published
- Apr 28, 2026 CVE Updated