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CVE-2026-50260 · cross-distro fix matrix
CVE-2026-50260: A use-after-free flaw was found in the X.Org X server and Xwayland in FreeCounter(). A client that sets up multiple SyncCounters and awaits on those triggers can trigger a use-after-free when destroyi
Affects 0 Linux releases across 0 (distro × package) combinations. First disclosed: 2026-06-05.
CVSS v3:HIGH · 7.8(NVD-published)
Fix per ecosystem
Each block below is a distro release where CVE-2026-50260 has a known fix. Run the listed command on that distro to remediate.
Are YOU affected by CVE-2026-50260?
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-2026-50260dropped 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)