A php-pear security update has been released for Debian GNU/Linux 9 LTS to address a filename sanitisation issue in php-pear.

DLA 2465-1: php-pear security update

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Debian LTS Advisory DLA-2465-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Chris Lamb
November 23, 2020   https://wiki.debian.org/LTS
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Package : php-pear
Version : 1:1.10.1+submodules+notgz-9+deb9u2
CVE IDs : CVE-2020-28948 CVE-2020-28949

It was discovered that there was a filename sanitisation issue in
php-pear, a distribution system for reusable PHP components.

For Debian 9 "Stretch", this problem has been fixed in version
1:1.10.1+submodules+notgz-9+deb9u2.

We recommend that you upgrade your php-pear packages.

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

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