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Vulnerability of Tor: overload via Old Cached Descriptors Files

Synthesis of the vulnerability 

An attacker can trigger an overload via Old Cached Descriptors Files of Tor, in order to trigger a denial of service.
Impacted products: Debian, openSUSE Leap, SLES.
Severity of this bulletin: 2/4.
Creation date: 17/03/2021.
Références of this threat: CVE-2021-28089, DSA-4871-1, openSUSE-SU-2021:0461-1, openSUSE-SU-2021:0474-1, VIGILANCE-VUL-34869.

Description of the vulnerability 

An attacker can trigger an overload via Old Cached Descriptors Files of Tor, in ...
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This security weakness impacts software or systems such as Debian, openSUSE Leap, SLES.

Our Vigil@nce team determined that the severity of this threat bulletin is medium.

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

An attacker with a expert ability can exploit this threat.

Solutions for this threat 

Patches for this vulnerability are not yet public.
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