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Debian Security Advisory DSA-4743-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
August 10, 2020                       https://www.debian.org/security/faq
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Package        : ruby-kramdown
CVE ID         : CVE-2020-14001
Debian Bug     : 965305

A flaw was discovered in ruby-kramdown, a fast, pure ruby, Markdown
parser and converter, which could result in unintended read access to
files or unintended embedded Ruby code execution when the {::options /}
extension is used together with the 'template' option.

The Update introduces a new option 'forbidden_inline_options' to
restrict the options allowed with the {::options /} extension. By
default the 'template' option is forbidden.

For the stable distribution (buster), this problem has been fixed in
version 1.17.0-1+deb10u1.

We recommend that you upgrade your ruby-kramdown packages.

For the detailed security status of ruby-kramdown please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/ruby-kramdown

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: debian-security-announce@lists.debian.org
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