A nextcloud-desktop security update has been released for Debian GNU/Linux 10 and 11 to address two vulnerabilities that could result in information disclosure.

DSA 4974-1: nextcloud-desktop security update

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Debian Security Advisory DSA-4974-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
September 19, 2021   https://www.debian.org/security/faq
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Package : nextcloud-desktop
CVE ID : CVE-2021-22895 CVE-2021-32728
Debian Bug : 989846

Two vulnerabilities were discovered in the Nextcloud desktop client,
which could result in information disclosure.

For the oldstable distribution (buster), these problems have been fixed
in version 2.5.1-3+deb10u2.

For the stable distribution (bullseye), these problems have been fixed in
version 3.1.1-2+deb11u1.

We recommend that you upgrade your nextcloud-desktop packages.

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

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/