[SECURITY] [DLA 2167-1] python-bleach security update

Package : python-bleach
Version : 1.4-1+deb8u1
CVE ID : CVE-2020-6817
Debian Bug : 955388

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
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