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Vulnerability of Python Cryptography: integer overflow via Multi-GB Values Symmetrically Encryption

Synthesis of the vulnerability 

An attacker can trigger an integer overflow via Multi-GB Values Symmetrically Encryption of Python Cryptography, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: Fedora, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 2/4.
Creation date: 12/02/2021.
Références of this bulletin: CVE-2020-36242, FEDORA-2021-8e36e7ed1a, openSUSE-SU-2021:0349-1, SUSE-SU-2021:0594-1, SUSE-SU-2021:0675-1, SUSE-SU-2021:0696-1, VIGILANCE-VUL-34572.

Description of the vulnerability 

An attacker can trigger an integer overflow via Multi-GB Values Symmetrically En...
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This computer threat impacts software or systems such as Fedora, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer vulnerability alert 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 cybersecurity weakness.

Solutions for this threat 

Patches for this vulnerability are not yet public.
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