CVE-2026-93545: CWE-125 Out-of-bounds read in x.org libXi
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.
AI Analysis
Technical Summary
An out-of-bounds read vulnerability exists in libXi's XListInputDevices() function in versions before 1.8.4. A malicious X server could exploit this flaw to cause an attached X client to crash by reading memory outside the intended bounds. The vulnerability is identified as CWE-125 and has a CVSS 3.1 base score of 6.5, indicating a medium severity denial-of-service impact without confidentiality or integrity loss.
Potential Impact
The vulnerability allows a malicious X server to cause denial of service by crashing an attached X client through an out-of-bounds read. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Upgrade libXi to version 1.8.4 or later where this vulnerability is fixed. No other mitigation or temporary workaround is indicated.
CVE-2026-93545: CWE-125 Out-of-bounds read in x.org libXi
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.
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 exists in libXi's XListInputDevices() function in versions before 1.8.4. A malicious X server could exploit this flaw to cause an attached X client to crash by reading memory outside the intended bounds. The vulnerability is identified as CWE-125 and has a CVSS 3.1 base score of 6.5, indicating a medium severity denial-of-service impact without confidentiality or integrity loss.
Potential Impact
The vulnerability allows a malicious X server to cause denial of service by crashing an attached X client through an out-of-bounds read. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Upgrade libXi to version 1.8.4 or later where this vulnerability is fixed. No other mitigation or temporary workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- suse
- Date Reserved
- 2026-09-18T09:08:10.295Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ab550d3f7a7c541068cffc6
Added to database: 09/24/2026, 16:33:23 UTC
Last enriched: 09/24/2026, 16:50:13 UTC
Last updated: 09/25/2026, 02:02:59 UTC
Views: 9
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