Debian Security Advisory
DLA-2167-1 python-bleach -- LTS security update
- Date Reported:
- 01 Apr 2020
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 955388.
In Mitre's CVE dictionary: CVE-2020-6817.
- More information:
A vulnerability was discovered in python-bleach, a whitelist-based HTML-sanitizing library. Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to a regular expression denial of service (ReDoS).
For Debian 8
Jessie, this problem has been fixed in version 1.4-1+deb8u1.
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