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Vulnerability of WebKitGTK: use after free via WebSocket

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via WebSocket of WebKitGTK, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: openSUSE Leap, SLES.
Severity of this weakness: 2/4.
Creation date: 17/12/2020.
Références of this bulletin: CVE-2020-13543, openSUSE-SU-2020:2304-1, openSUSE-SU-2020:2310-1, SUSE-SU-2020:3864-1, SUSE-SU-2020:3867-1, VIGILANCE-VUL-34164.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via WebSocket of WebKitGT...
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This cybersecurity vulnerability impacts software or systems such as openSUSE Leap, SLES.

Our Vigil@nce team determined that the severity of this vulnerability is medium.

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

An attacker with a expert ability can exploit this weakness alert.

Solutions for this threat 

Solutions, fixes, patches and workarounds for this vulnerability are not yet public.
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