Back to CVE digest
CVE-2026-50263 · cross-distro fix matrix
CVE-2026-50263: A use-after-free flaw was found in the X.Org X server and Xwayland in CreateSaverWindow(). A client can trigger a use-after-free read after changing window attributes and forcing the screen saver, lea
Affects 0 Linux releases across 0 (distro × package) combinations. First disclosed: 2026-06-05.
CVSS v3:MEDIUM · 5.5(NVD-published)
Fix per ecosystem
Each block below is a distro release where CVE-2026-50263 has a known fix. Run the listed command on that distro to remediate.
Are YOU affected by CVE-2026-50263?
5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.
curl https://mindsparkstack.com/scan.sh | bash
Continuous monitoring beats manual checking
CVE-2026-50263dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.
See StackPatch ($99 lifetime)