An aria2 security update has been released for Debian GNU/Linux 9 LTS to address leaking HTTP user credentials in the log file.

DLA 2873-1: aria2 security update

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Debian LTS Advisory DLA-2873-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Adrian Bunk
December 31, 2021   https://wiki.debian.org/LTS
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Package : aria2
Version : 1.30.0-2+deb9u1
CVE ID : CVE-2019-3500
Debian Bug : 918058

In the download utility aria2, --log was leaking HTTP user credentials
in local log file.

For Debian 9 stretch, this problem has been fixed in version
1.30.0-2+deb9u1.

We recommend that you upgrade your aria2 packages.

For the detailed security status of aria2 please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/aria2

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