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Vulnerability of libbfd: use after free via bfd_hash_lookup

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via bfd_hash_lookup() of libbfd, in order to trigger a denial of service, and possibly to run code.
Impacted software: Fedora.
Severity of this computer vulnerability: 2/4.
Creation date: 28/12/2020.
Références of this announce: CVE-2020-16592, FEDORA-2020-18ec0bf4bb, FEDORA-2020-f903e139b1, VIGILANCE-VUL-34204.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via bfd_hash_lookup() of ...
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This weakness impacts software or systems such as Fedora.

Our Vigil@nce team determined that the severity of this vulnerability announce 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 threat bulletin.

Solutions for this threat 

Workarounds for this vulnerability are not yet public.
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