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Vulnerability of unrar-free: NULL pointer dereference via DecodeNumber

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via DecodeNumber() of unrar-free, in order to trigger a denial of service.
Vulnerable software: Debian.
Severity of this announce: 2/4.
Creation date: 19/02/2021.
Références of this computer vulnerability: CVE-2017-14121, DLA-2567-1, VIGILANCE-VUL-34621.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via DecodeNumber() of un...
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This cybersecurity bulletin impacts software or systems such as Debian.

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

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 

This vulnerability patch will be public soon.
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