# CVE-2026-93545: Out-of-bounds read in libXi's XListInputDevices()

CVE-2026-93545 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-93545, released September 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-93545
- Priority: Routine
- CVSS: 6.5 (Moderate)
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 24, 2026
- Weakness: Out-of-bounds Read
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-93545

## Description

An out-of-bounds read in libXi's XListInputDevices() in libXi before 1.8.4 could be used by malicious X servers to crash an attached X client.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libXi opensuse-leap 16.0 | 1.8.2-160000.4.1 | [OPENSUSE-SU-2026:22054-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22054-1.md) | Nov 7, 2026 |
| Linux | libXi sles 16.0 | 1.8.2-160000.4.1 | [SUSE-SU-2026:24203-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24203-1.md) | Nov 7, 2026 |
| Linux | libxi Debian 14 | 2:1.8.4-1 | [DEBIAN-CVE-2026-93545](https://patchblox.com/security/data/fix/linux/debian-cve-2026-93545.md) | Sep 24, 2026 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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