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xscreensaver project xscreensaver vulnerabilities and exploits
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4.6
CVSSv3
CVE-2021-34557
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 malicious user to bypass the standard screen lock authentication mechanism by crashing XScreenSaver. The attacker must physically...
Xscreensaver Project Xscreensaver 5.45
Fedoraproject Fedora 33
NA
CVE-2015-8025
driver/subprocs.c in XScreenSaver prior to 5.34 does not properly perform an internal consistency check, which allows physically proximate malicious users to bypass the lock screen by hot swapping monitors.
Canonical Ubuntu Linux 12.04
Xscreensaver Project Xscreensaver 5.33
7.8
CVSSv3
CVE-2011-2187
xscreensaver prior to 5.14 crashes during activation and leaves the screen unlocked when in Blank Only Mode and when DPMS is disabled, which allows local malicious users to access resources without authentication.