Debian Security Advisory
DSA-4730-1 ruby-sanitize -- security update
- Date Reported:
- 19 Jul 2020
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 963808.
In Mitre's CVE dictionary: CVE-2020-4054.
- More information:
Michal Bentkowski discovered that ruby-sanitize, a whitelist-based HTML sanitizer, is prone to a HTML sanitization bypass vulnerability when using the
relaxedor a custom config allowing certain elements. Content in a <math> or <svg> element may not be sanitized correctly even if math and svg are not in the allowlist.
For the stable distribution (buster), this problem has been fixed in version 4.6.6-2.1~deb10u1.
We recommend that you upgrade your ruby-sanitize packages.
For the detailed security status of ruby-sanitize please refer to its security tracker page at: https://security-tracker.debian.org/tracker/ruby-sanitize