# X.org libXi vulnerabilities

Source: https://junglewise.ai/threats/technologies/libxi  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/libxi.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 7 vulnerabilities in X.org libXi: 0 in the last 7 days and 7 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-109090, was published on 27 October 2026. 2 vulnerabilities in the last four weeks, down 60% on the four before (5).

## Counts

- Last 7 days: 0
- Last 30 days: 2
- Last 90 days: 7
- All time: 7 (0 critical, 0 exploited in the wild)

## About X.org libXi

X11 input device library that provides device input handling functionality.

## Latest X.org libXi vulnerabilities

- [CVE-2026-109090: libXi heap overflow in DEVICE_ENABLE reply handling](https://junglewise.ai/threats/cve-2026-109090-a-malicious-x-server-could-cause-a-heap-overflow-by-injecting-a) (high, CVSS 7.5, published 27 Oct 2026)
- [CVE-2026-109089: libXi heap buffer overflow in DEVICE_RESOLUTION handling](https://junglewise.ai/threats/cve-2026-109089-a-buffer-overflow-when-handling-device-resolution-in-libxi) (high, CVSS 7.5, published 27 Oct 2026)
- [CVE-2026-94281: libXi out-of-bounds read in XListInputDevices() class parsing](https://junglewise.ai/threats/cve-2026-94281-an-out-of-bounds-read-in-libxi-s-xlistinputdevices-class-parsing) (medium, CVSS 6.5, published 24 Sep 2026)
- [CVE-2026-93544: libXi out-of-bounds read in XI2 XIQueryDevice reply parsing](https://junglewise.ai/threats/cve-2026-93544-an-out-of-bounds-read-in-libxi-s-xi2-xiquerydevice-reply-parsing) (medium, CVSS 6.5, published 24 Sep 2026)
- [CVE-2026-93543: libXi out-of-bounds read in XI2 class parser](https://junglewise.ai/threats/cve-2026-93543-an-out-of-bounds-read-in-libxi-s-xi2-class-parser-in-libxi-before) (high, CVSS 7.4, published 24 Sep 2026)
- [CVE-2026-93542: libXi out-of-bounds read in XI2 class parsing](https://junglewise.ai/threats/cve-2026-93542-an-out-of-bounds-read-in-libxi-s-xi2-class-parsing-via-size) (medium, CVSS 6.5, published 24 Sep 2026)
- [CVE-2026-93541: libXi out-of-bounds read in XQueryDeviceState](https://junglewise.ai/threats/cve-2026-93541-an-out-of-bounds-read-in-libxi-s-xquerydevicestate-in-libxi) (medium, CVSS 6.5, published 24 Sep 2026)

## Most severe X.org libXi vulnerabilities

- [CVE-2026-109090: libXi heap overflow in DEVICE_ENABLE reply handling](https://junglewise.ai/threats/cve-2026-109090-a-malicious-x-server-could-cause-a-heap-overflow-by-injecting-a) (high, CVSS 7.5, published 27 Oct 2026)
- [CVE-2026-109089: libXi heap buffer overflow in DEVICE_RESOLUTION handling](https://junglewise.ai/threats/cve-2026-109089-a-buffer-overflow-when-handling-device-resolution-in-libxi) (high, CVSS 7.5, published 27 Oct 2026)
- [CVE-2026-93543: libXi out-of-bounds read in XI2 class parser](https://junglewise.ai/threats/cve-2026-93543-an-out-of-bounds-read-in-libxi-s-xi2-class-parser-in-libxi-before) (high, CVSS 7.4, published 24 Sep 2026)
- [CVE-2026-93544: libXi out-of-bounds read in XI2 XIQueryDevice reply parsing](https://junglewise.ai/threats/cve-2026-93544-an-out-of-bounds-read-in-libxi-s-xi2-xiquerydevice-reply-parsing) (medium, CVSS 6.5, published 24 Sep 2026)
- [CVE-2026-93542: libXi out-of-bounds read in XI2 class parsing](https://junglewise.ai/threats/cve-2026-93542-an-out-of-bounds-read-in-libxi-s-xi2-class-parsing-via-size) (medium, CVSS 6.5, published 24 Sep 2026)
- [CVE-2026-93541: libXi out-of-bounds read in XQueryDeviceState](https://junglewise.ai/threats/cve-2026-93541-an-out-of-bounds-read-in-libxi-s-xquerydevicestate-in-libxi) (medium, CVSS 6.5, published 24 Sep 2026)
- [CVE-2026-94281: libXi out-of-bounds read in XListInputDevices() class parsing](https://junglewise.ai/threats/cve-2026-94281-an-out-of-bounds-read-in-libxi-s-xlistinputdevices-class-parsing) (medium, CVSS 6.5, published 24 Sep 2026)

## Vulnerabilities per week

2 vulnerabilities in the last four weeks, down 60% on the four before (5).

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 5 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 2 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other X.org technologies

- [X.org X Server](https://junglewise.ai/threats/technologies/x-org-x-server): 11 vulnerabilities
- [X.org XWayland](https://junglewise.ai/threats/technologies/x-org-xwayland): 10 vulnerabilities
- [X.org libXfont2](https://junglewise.ai/threats/technologies/libxfont2): 5 vulnerabilities
- [X.org Xorg-Server](https://junglewise.ai/threats/technologies/xorg-server): 5 vulnerabilities
- [X.org libX11](https://junglewise.ai/threats/technologies/libx11): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "X.org libXi vulnerabilities", https://junglewise.ai/threats/technologies/libxi, 9 November 2026.
