Johan Smits discovered that ruby-redcarpet, a markdown parser, did not
properly validate its input. This would allow an attacker to mount a
cross-site scripting attack.
For the stable distribution (buster), this problem has been fixed in
We recommend that you upgrade your ruby-redcarpet packages.
For the detailed security status of ruby-redcarpet please refer to
its security tracker page at:
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
Debian Security Advisory DSA-4831-1 [email protected]
https://www.debian.org/security/ Sebastien Delafond
January 15, 2021 https://www.debian.org/security/faq