Search/CVE-2026-109090
● CVE — High

CVE-2026-109090

DiscoveredOct 27, 2026UpdatedOct 28, 2026

A malicious X server could cause a heap overflow by injecting a large DEVICE_ENABLE reply when processed by libXi before 1.8.4.

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CVSS v3.1
7.5 HIGH
EPSS
0.26%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Connections
1 relationships
Timeline
disclosure → media coverage
Oct 27, 2026
Disclosure — published as a CVE record.