CVE-2021-34557

More information about this CVE will likely be available in a few days.

Description

XScreenSaver 5.45 can be bypassed if the machine has more than ten disconnectable video outputs. A buffer overflow in update_screen_layout() allows an attacker to bypass the standard screen lock authentication mechanism by crashing XScreenSaver. The attacker must physically disconnect many video outputs.

Related CPE's

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CvssV3 impact

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CvssV2 impact

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