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Vulnerability of zstd: file reading via Ongoing Compression

Synthesis of the vulnerability 

A local attacker can read a file via Ongoing Compression of zstd, in order to obtain sensitive information.
Vulnerable software: Debian.
Severity of this announce: 2/4.
Creation date: 10/02/2021.
Références of this computer vulnerability: 981404, DSA-4850-1, VIGILANCE-VUL-34543.

Description of the vulnerability 

A local attacker can read a file via Ongoing Compression of zstd, in order to ob...
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This computer weakness alert impacts software or systems such as Debian.

Our Vigil@nce team determined that the severity of this weakness note 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 weakness bulletin.

Solutions for this threat 

Solutions for this vulnerability are not yet public.
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