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Vulnerability of Wireshark: denial of service via QUIC Dissector

Synthesis of the vulnerability 

An attacker can trigger a fatal error via QUIC Dissector of Wireshark, in order to trigger a denial of service.
Impacted software: Solaris, Wireshark.
Severity of this computer vulnerability: 2/4.
Creation date: 21/12/2020.
Références of this announce: CERTFR-2020-AVI-833, CVE-2020-26422, VIGILANCE-VUL-34180, wnpa-sec-2020-20.

Description of the vulnerability 

An attacker can trigger a fatal error via QUIC Dissector of Wireshark, in order to trigger a denial of service.
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This security bulletin impacts software or systems such as Solaris, Wireshark.

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

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

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

Solutions for this threat 

Wireshark: version 3.4.2.
The version 3.4.2 is fixed:
  https://www.wireshark.org/download.html

Oracle Solaris: patch for third party software of April 2021 v1.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1
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