Linux · 
Rocky Linux · Security advisory · November 7, 2026
Rocky Linux · Security advisory · November 7, 2026RLSA-2026:91366: libX11 security update
RLSA-2026:91366, released November 7, 2026, fixes 1 CVE in libX11 (version 0:1.8.10-1.el10_2.1). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0020
10th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libX11 | rocky 10 | 0:1.8.10-1.el10_2.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-88806 | libX11 XkbGetMap Reply Heap-based Buffer Overflow | 7.5 | 0.0020 | None reported |
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