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Vulnerability of Flatpak: code execution via flatpak-portal

Synthesis of the vulnerability 

An attacker can use a vulnerability via flatpak-portal of Flatpak, in order to run code.
Impacted systems: openSUSE Leap, RHEL, SLES, Ubuntu.
Severity of this alert: 3/4.
Creation date: 01/02/2021.
Références of this alert: CVE-2021-21261, openSUSE-SU-2021:0520-1, RHSA-2021:0304-01, RHSA-2021:0306-01, RHSA-2021:0307-01, RHSA-2021:0411-01, SUSE-SU-2021:1094-1, USN-4721-1, VIGILANCE-VUL-34445.

Description of the vulnerability 

An attacker can use a vulnerability via flatpak-portal of Flatpak, in order to r...
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This cybersecurity bulletin impacts software or systems such as openSUSE Leap, RHEL, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity weakness is important.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this computer vulnerability bulletin.

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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