Debian Security Advisory
DSA-4892-1 python-bleach -- security update
- Date Reported:
- 18 Apr 2021
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 986251.
In Mitre's CVE dictionary: CVE-2021-23980.
- More information:
It was reported that python-bleach, a whitelist-based HTML-sanitizing library, is prone to a mutation XSS vulnerability in bleach.clean when
mathare in the allowed tags, 'p' or
brare in allowed tags,
xmpare in allowed tags and 'strip_comments=False' is set.
For the stable distribution (buster), this problem has been fixed in version 3.1.2-0+deb10u2.
We recommend that you upgrade your python-bleach packages.
For the detailed security status of python-bleach please refer to its security tracker page at: https://security-tracker.debian.org/tracker/python-bleach