Linux · Security advisory · July 14, 2026
RLSA-2026:38489: xorg-x11-server-Xwayland security update
RLSA-2026:38489, released July 14, 2026, fixes 2 CVEs in xorg-x11-server-Xwayland (version 0:24.1.9-4.el10_2.3). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
2
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0033
26th percentile
Priority of the 2 CVEs
Patch now 0
Urgent 0
High 2
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| xorg-x11-server-Xwayland | rocky 10 | 0:24.1.9-4.el10_2.3 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-55999 | xorg-x11-server-Xwayland: Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwaylan... | 7.8 | 0.0033 | None reported | |
| High | CVE-2026-56000 | xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent() | 7.8 | 0.0031 | None reported |
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