Debian Security Advisory
DLA-2620-1 python-bleach -- LTS security update
- Date Reported:
- 06 Apr 2021
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2021-23980.
- More information:
It was discovered that there was a cross-site scripting (XSS) vulnerability in python-bleach, a whitelist-based HTML sanitisation library.
mutation XSS via allowed math or svg; p or br; and style, title, noscript, script, textarea, noframes, iframe, or xmp tags with strip_comments=False
For Debian 9
Stretch, these problems have been fixed in version 2.0-1+deb9u1.
We recommend that you upgrade your python-bleach packages.
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS