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CVE-2021-34557

🗓️ 10 Jun 2021 15:54:35Reported by mitreType 
cve
 cve🔗 web.nvd.nist.gov📰️ 6 Media mentions👁 154 Views

XScreenSaver 5.45 bypass via buffer overflo

Related
Detection
Refs
Social
ReporterTitlePublishedViews
Family
attackerkb
attackerkb		CVE-2021-34557
10 Jun 202116:15
–attackerkb
alpinelinux
AlpineLinux		CVE-2021-34557
10 Jun 202115:54
–alpinelinux
bdu_fstec
BDU FSTEC		XscreenSaver Buffer Overflow DoS
5 Oct 202100:00
–bdu_fstec
cnnvd
CNNVD		XScreenSaver buffer error vulnerability
10 Jun 202100:00
–cnnvd
cnvd
CNVD		XScreenSaver buffer overflow vulnerability
12 Jun 202100:00
–cnvd
cvelist
Cvelist		CVE-2021-34557
10 Jun 202115:54
–cvelist
debiancve
Debian CVE		CVE-2021-34557
10 Jun 202115:54
–debiancve
euvd
EUVD		EUVD-2021-21207
7 Oct 202500:30
–euvd
fedora
Fedora		[SECURITY] Fedora 33 Update: xscreensaver-5.45-2.fc33
19 Aug 202101:11
–fedora
mend
Mend		CVE-2021-34557
10 Jun 202115:54
–mend
Rows per page
NVD
Node
xscreensaver_projectxscreensaverMatch5.45
Node
fedoraprojectfedoraMatch33

New post from https://t.co/uXvPWJy6tj?amp=1 (CVE-2021-34557 (xscreensaver)) has been published on https://t.co/AFV60ou6JX?amp=1

Vigil@nce #Vulnerability of XScreenSaver: privilege escalation via update_screen_layout. https://t.co/2yF1tv6F6u?amp=1 Identifiers: #CVE-2021-34557. #CyberSec

New post from https://t.co/9KYxtdZjkl?amp=1 (CVE-2021-34557 (xscreensaver)) has been published on https://t.co/4r3TzsECR5?amp=1

NEW: 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 attacker to bypass the standard screen ... (click for more) Severity: MEDIUM https://t.co/RYcsz2N2Q1?amp=1

NEW: 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 attacker to bypass the standard screen ... (click for more) Severity: MEDIUM https://t.co/RYcsz2N2Q1?amp=1

Vigil@nce /hashtag/Vulnérabilité?src=hashtag_click de XScreenSaver : élévation de privilèges via update_screen_layout. https://t.co/ujySbng1rE?amp=1 Références : #CVE-2021-34557. #securite

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17 Jun 2026 03:56Current
4.9Medium risk
Vulners AI Score4.9
CVSS 22.1
CVSS 3.14.6
EPSS0.0048
CWE-120
xscreensavercve-2021-34557buffer overflowauthentication bypass
154