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Debian LTS Advisory DLA-2637-1              debian-lts@lists.debian.org
https://www.debian.org/lts/security/                        Gunnar Wolf
April 23, 2021                              https://wiki.debian.org/LTS
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Package   : drupal7
Version   : 7.52-2+deb9u15

The Drupal project identified a vulnerability in the sanitization
performed in the _filter_xss_arttributes function, potentially
allowing a cross-site scripting, and granted it the Drupal Security
Advisory ID SA-CORE-2021-002:

    https://www.drupal.org/sa-core-2021-002

No CVE number has been announced.

For Debian 9 "Stretch", the fix to this issue was backported in
version 7.52-2+deb9u15.

We recommend you upgrade your drupal7 package.

For detailed security status of drupal7, please refer to its security
tracker page:

    https://security-tracker.debian.org/tracker/source-package/drupal7

Further information about Debian LTS security advisories, how to
apply these updates to your system, and other frequently asked
questions can be found at:

    https://wiki.debian.org/LTS