CVE-2026-94281: CWE-125 Out-of-bounds read in x.org libXi
An out-of-bounds read in libXi's XListInputDevices() class parsing in libXi before 1.8.4 could be used by malicious X servers to crash an attached X client.
AI Analysis
Technical Summary
An out-of-bounds read vulnerability (CWE-125) exists in the XListInputDevices() function of libXi prior to version 1.8.4. A malicious X server can exploit this flaw to cause an attached X client to crash by triggering improper parsing in libXi. The vulnerability has a CVSS 3.1 base score of 6.5, reflecting a network attack vector with low attack complexity, no privileges required, user interaction required, and impact limited to availability (denial of service).
Potential Impact
The vulnerability allows a remote attacker controlling an X server to cause a denial of service by crashing the X client application using libXi. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
A fix is available in libXi version 1.8.4. Users should upgrade to libXi 1.8.4 or later to remediate this vulnerability. No other mitigations are indicated.
CVE-2026-94281: CWE-125 Out-of-bounds read in x.org libXi
Description
An out-of-bounds read in libXi's XListInputDevices() class parsing in libXi before 1.8.4 could be used by malicious X servers to crash an attached X client.
CVSS v3.1
Score 6.5medium
Affected software
x.org
libXi
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An out-of-bounds read vulnerability (CWE-125) exists in the XListInputDevices() function of libXi prior to version 1.8.4. A malicious X server can exploit this flaw to cause an attached X client to crash by triggering improper parsing in libXi. The vulnerability has a CVSS 3.1 base score of 6.5, reflecting a network attack vector with low attack complexity, no privileges required, user interaction required, and impact limited to availability (denial of service).
Potential Impact
The vulnerability allows a remote attacker controlling an X server to cause a denial of service by crashing the X client application using libXi. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
A fix is available in libXi version 1.8.4. Users should upgrade to libXi 1.8.4 or later to remediate this vulnerability. No other mitigations are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- suse
- Date Reserved
- 2026-09-21T09:33:25.369Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ab550d3f7a7c541068cffc7
Added to database: 09/24/2026, 16:33:23 UTC
Last enriched: 09/24/2026, 16:50:09 UTC
Last updated: 09/25/2026, 01:56:00 UTC
Views: 8
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