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Vulnerability of OpenBSD: use after free via ICMP6 Response

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via ICMP6 Response of OpenBSD, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: OpenBSD.
Severity of this weakness: 3/4.
Creation date: 28/10/2020.
Références of this bulletin: VIGILANCE-VUL-33714.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via ICMP6 Response of Ope...
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This threat announce impacts software or systems such as OpenBSD.

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

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 security alert.

Solutions for this threat 

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