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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 0 LOW 2

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 0 Partial 2 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 2 Privilege escalation 0 Security bypass 0 Information disclosure 0 Tampering 0 Denial of service 0 Spoofing 0 Cross-site scripting 0 SQL injection 0

Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 2 No user interaction 0

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Weakness (CWE) CWE-122 Heap-based Buffer Overflow 2

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Release: X.Org libXi 1.8.4 × Clear all filters

TI-2026-81426 CVE-2026-109090 · GHSA-5h6f-wh6v-848r

Heap overflow in libXi XGetDeviceControl DEVICE_ENABLE reply

Priority LOW 34

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

CVSS 3.1HIGH 7.5· Network · No auth · User interaction · EPSS 0.00258 · Published 2026-10-27 · Partial fix · 1.8.4 CWE-122

TI-2026-81414 CVE-2026-109089 · GHSA-xv92-4rh8-wp3r

Heap buffer overflow in libXi when handling DEVICE_RESOLUTION

Priority LOW 34

A buffer overflow when handling DEVICE_RESOLUTION in libXi before 1.8.4 could overflow a heap, triggered by a malicious X server.

CVSS 3.1HIGH 7.5· Network · No auth · User interaction · EPSS 0.00258 · Published 2026-10-27 · Partial fix · 1.8.4 CWE-122

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