Linux · Security advisory · October 27, 2026
RHSA-2026:89730: Security update for 4 packages
RHSA-2026:89730, released October 27, 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 | RHEL 8 | 0:1.6.8-10.el8_10 |
| libX11-common | RHEL 8 | 0:1.6.8-10.el8_10 |
| libX11-devel | RHEL 8 | 0:1.6.8-10.el8_10 |
| libX11-xcb | RHEL 8 | 0:1.6.8-10.el8_10 |
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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