Linux · Security advisory · November 7, 2026
ELSA-2026-91365: Security update for 4 packages
ELSA-2026-91365, released November 7, 2026, fixes 1 CVE across 4 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0020
10th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libX11 | ol 9 | 0:1.8.12-1.el9_8.1 |
| libX11-common | ol 9 | 0:1.8.12-1.el9_8.1 |
| libX11-devel | ol 9 | 0:1.8.12-1.el9_8.1 |
| libX11-xcb | ol 9 | 0:1.8.12-1.el9_8.1 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-88806 | libX11 XkbGetMap Reply Heap-based Buffer Overflow | 7.5 | 0.0020 | None reported |
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