Out-of-bounds read in libXi's XListInputDevices()
Published Sep 24, 2026
6.5
MEDIUMCVSS 3.1
EPSS 0.20%
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.
Affected products
-
- Version 0StatusaffectedConstraints<1.8.4
- Version
No data.
No data.
Red Hat Hardened Images
libxi-main-1.8.3-2.1.hum1
Fixed · RHSA-2026:71839
Red Hat Enterprise Linux 10
libXi
Fix deferred
Red Hat Enterprise Linux 6
libXi
Out of support scope
Red Hat Enterprise Linux 7
libXi
Fix deferred
Red Hat Enterprise Linux 8
libXi
Fix deferred
Red Hat Enterprise Linux 9
libXi
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Hardened Images | libxi-main-1.8.3-2.1.hum1 | Fixed | RHSA-2026:71839 |
| Red Hat Enterprise Linux 10 | libXi | Fix deferred | n/a |
| Red Hat Enterprise Linux 6 | libXi | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | libXi | Fix deferred | n/a |
| Red Hat Enterprise Linux 8 | libXi | Fix deferred | n/a |
| Red Hat Enterprise Linux 9 | libXi | Fix deferred | n/a |
No package ranges for this CVE.
Remediation
Red Hat mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Sep 24, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.20% (0.00199) | 8.81th | v5 (v2026.06.15) |
| Oct 1, 2026 | 0.20% (0.00199) | 8.78th | v5 (v2026.06.15) |
References (5)
- https://access.redhat.com/security/cve/CVE-2026-93545 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2540434 Issue Tracking
- https://gitlab.freedesktop.org/xorg/lib/libxi/-/merge_requests/23/diffs?commit_id=234ce17d95c42d75f7f7fdb2bf7a24875451bc0a patch
- https://nvd.nist.gov/vuln/detail/CVE-2026-93545
- https://www.cve.org/CVERecord?id=CVE-2026-93545
Change history (0)
No recorded changes yet.