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The vulnerability of the CheckKeyTypes() function in the Wayland protocol for X.Org XWaylan and the X.Org Server implementation allows a perpetrator to escalate their privileges and cause a service failure.
🗓️ 15 Jun 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 122 |
|---|---|---|---|---|
 | xwayland -- Multiple vulnerabilities | 1 Jun 202600:00 | – | freebsd |
| xorg-server -- Multiple vulnerabilities | 1 Jun 202600:00 | – | freebsd |
 | CVE-2026-50258 | 5 Jun 202610:31 | – | attackerkb |
 | Amazon Linux 2023 : xorg-x11-server-Xwayland, xorg-x11-server-Xwayland-devel (ALAS2023-2026-1789) | 8 Jun 202600:00 | – | nessus |
| Amazon Linux 2023 : xorg-x11-server-common, xorg-x11-server-devel, xorg-x11-server-source (ALAS2023-2026-1790) | 8 Jun 202600:00 | – | nessus |
| Amazon Linux 2023 : tigervnc, tigervnc-icons, tigervnc-license (ALAS2023-2026-1892) | 22 Jun 202600:00 | – | nessus |
| Amazon Linux 2 : xorg-x11-server, --advisory ALAS2-2026-3336 (ALAS-2026-3336) | 8 Jun 202600:00 | – | nessus |
| AlmaLinux 8 : xorg-x11-server-Xwayland (ALSA-2026:26562) | 18 Jun 202600:00 | – | nessus |
| AlmaLinux 8 : xorg-x11-server (ALSA-2026:26709) | 20 Jun 202600:00 | – | nessus |
| AlmaLinux 8 : tigervnc (ALSA-2026:28923) | 25 Jun 202600:00 | – | nessus |
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15 Jun 2026 00:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 26.8
CVSS 37.8
EPSS0.00161