Description
xscreensaver before 5.14 crashes during activation and leaves the screen unlocked when in Blank Only Mode and when DPMS is disabled, which allows local attackers to access resources without authentication.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| xscreensaver | xscreensaver | before 5.14 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | xscreensaver | 5.14-1 | — |
| Debian 13 | xscreensaver | 5.14-1 | — |
| Debian 12 | xscreensaver | 5.14-1 | — |
References
- https://security-tracker.debian.org/tracker/CVE-2011-2187
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2187
- https://access.redhat.com/security/cve/cve-2011-2187
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627382
- [oss-security] 20110606 Re: CVE Request -- xscreensaver -- exits when activated mailing-list
- https://www.jwz.org/xscreensaver/changelog.html