DSA-4643-1 python-bleach -- security update

Debian Security Advisory

DSA-4643-1 python-bleach -- security update

Date Reported:

20 Mar 2020

Affected Packages:

python-bleach

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 954236.
In Mitre's CVE dictionary: CVE-2020-6816.

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 strip=False and math or svg tags and one or more of the RCDATA tags were whitelisted.

For the stable distribution (buster), this problem has been fixed in version 3.1.2-0+deb10u1.

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