CVE-2026-109089
libXi XGetDeviceControl Control Type Mismatch Heap Buffer Overflow
CVE-2026-109089 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2026-109089, released November 3, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0026
17th percentile
A buffer overflow when handling DEVICE_RESOLUTION in libXi before 1.8.4 could overflow a heap, triggered by a malicious X server.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libXi · RHEL 10 | 1.8.1-7.el10_2.3 | RHSA-2026:93441 | Nov 3, 2026 |
| libXi · RHEL 8 | 0:1.7.10-4.el8_10 | RHSA-2026:93438 | Nov 3, 2026 |
| libXi · RHEL 9 | 0:1.7.10-8.el9_8.3 | RHSA-2026:93439 | Nov 3, 2026 |
| libXi · almalinux 10 | 1.8.1-7.el10_2.3 | ALSA-2026:93441 | Nov 7, 2026 |
| libXi · almalinux 8 | 1.7.10-4.el8_10 | ALSA-2026:93438 | Nov 7, 2026 |
| libXi · almalinux 9 | 1.7.10-8.el9_8.3 | ALSA-2026:93439 | Nov 7, 2026 |
| libXi · ol 10 | 0:1.8.1-7.el10_2.3 | ELSA-2026-93441 | Nov 7, 2026 |
| libXi · ol 8 | 0:1.7.10-4.el8_10 | ELSA-2026-93438 | Nov 7, 2026 |
| libXi · ol 9 | 0:1.7.10-8.el9_8.3 | ELSA-2026-93439 | Nov 7, 2026 |
| libXi · rocky 10 | 0:1.8.1-7.el10_2.3 | RLSA-2026:93441 | Nov 7, 2026 |
| libXi · rocky 8 | 0:1.7.10-4.el8_10 | RLSA-2026:93438 | Nov 7, 2026 |
| libXi · rocky 9 | 0:1.7.10-8.el9_8.3 | RLSA-2026:93439 | Nov 7, 2026 |
| libXi-devel · RHEL 8 | 0:1.7.10-4.el8_10 | RHSA-2026:93438 | Nov 3, 2026 |
| libXi-devel · RHEL 9 | 0:1.7.10-8.el9_8.3 | RHSA-2026:93439 | Nov 3, 2026 |
| libXi-devel · almalinux 10 | 1.8.1-7.el10_2.3 | ALSA-2026:93441 | Nov 7, 2026 |
| libXi-devel · almalinux 8 | 1.7.10-4.el8_10 | ALSA-2026:93438 | Nov 7, 2026 |
| libXi-devel · almalinux 9 | 1.7.10-8.el9_8.3 | ALSA-2026:93439 | Nov 7, 2026 |
| libXi-devel · ol 10 | 0:1.8.1-7.el10_2.3 | ELSA-2026-93441 | Nov 7, 2026 |
| libXi-devel · ol 8 | 0:1.7.10-4.el8_10 | ELSA-2026-93438 | Nov 7, 2026 |
| libXi-devel · ol 9 | 0:1.7.10-8.el9_8.3 | ELSA-2026-93439 | Nov 7, 2026 |
| libxi · Debian 14 | 2:1.8.4-1 | DEBIAN-CVE-2026-109089 | Nov 3, 2026 |
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