Linux · Security advisory · November 7, 2026
RLSA-2026:84574: xorg-x11-server security update
RLSA-2026:84574, released November 7, 2026, fixes 5 CVEs in xorg-x11-server (version 0:1.20.11-34.el9_8.5). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
5
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0020
10th percentile
Priority of the 5 CVEs
Patch now 0
Urgent 0
High 5
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| xorg-x11-server | rocky 9 | 0:1.20.11-34.el9_8.5 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-93518 | X.Org Server XKB ResizeKeyType Numeric Truncation | 7.8 | 0.0020 | None reported | |
| High | CVE-2026-93519 | X.Org Server XFixes Pointer Barrier Event List Buffer Overflow | 7.8 | 0.0020 | None reported | |
| High | CVE-2026-93520 | X.Org Server XKB ChangeKeycodeRange Heap Out-of-Bounds Write | 7.8 | 0.0020 | None reported | |
| High | CVE-2026-93517 | X.Org Server GLX RenderLarge Heap Buffer Overflow | 7.8 | 0.0019 | None reported | |
| High | CVE-2026-93516 | .Org Server XInput Passive Grab Use-After-Free | 7.8 | 0.0019 | None reported |
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