CVE ID:	CVE-2021-34557
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.
Test IDs:	1.3.6.1.4.1.25623.1.1.4.2022.2641.1   1.3.6.1.4.1.25623.1.1.4.2022.2642.1   1.3.6.1.4.1.25623.1.0.879989   1.3.6.1.4.1.25623.1.1.10.2021.0278   1.3.6.1.4.1.25623.1.0.854871
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-34557 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TC4QB7TRS4GS7LDXQQ4PC6J3LVFJYISV/ https://github.com/QubesOS/qubes-issues/issues/6595 https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-068-2021.txt https://github.com/QubesOS/qubes-xscreensaver/blob/master/0001-Fix-updating-outputs-info.patch https://www.openwall.com/lists/oss-security/2021/06/05/1 http://www.openwall.com/lists/oss-security/2021/06/11/1 http://www.openwall.com/lists/oss-security/2021/07/06/2