{"id":"CVE-2026-109089","state":"PUBLISHED","title":"libXi XGetDeviceControl Control Type Mismatch Heap Buffer Overflow","description":"A buffer overflow when handling DEVICE_RESOLUTION in libXi before 1.8.4 could overflow a heap, triggered by a malicious X server.","publishedAt":"2026-10-27T16:05:56.113Z","updatedAt":"2026-10-27T16:05:56.113Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"suse"},"assigner":"suse","products":["X.Org libXi"],"affected":[{"vendor":"X.Org","product":"libXi","packageName":"libXi","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.8.4","versionType":"rpm"}],"repo":"https://gitlab.freedesktop.org/xorg/lib/libxi"}],"references":["https://gitlab.freedesktop.org/xorg/lib/libxi/-/commit/f7836d0a0"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/109xxx/CVE-2026-109089.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-109089","state":"PUBLISHED","datePublished":"2026-10-27T16:05:56.113Z","dateUpdated":"2026-10-27T16:05:56.113Z","assignerShortName":"suse","assignerOrgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","dateReserved":"2026-10-12T06:41:23.778Z"},"containers":{"cna":{"title":"libXi XGetDeviceControl Control Type Mismatch Heap Buffer Overflow","descriptions":[{"lang":"en","value":"A buffer overflow when handling DEVICE_RESOLUTION in libXi before 1.8.4 could overflow a heap, triggered by a malicious X server."}],"affected":[{"vendor":"X.Org","product":"libXi","packageName":"libXi","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.8.4","versionType":"rpm"}],"repo":"https://gitlab.freedesktop.org/xorg/lib/libxi"}],"references":[{"url":"https://gitlab.freedesktop.org/xorg/lib/libxi/-/commit/f7836d0a0","tags":["patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":7.5,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","description":"CWE-122 Heap-based buffer overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"suse","orgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","dateUpdated":"2026-10-27T16:05:56.113Z"},"datePublic":"2026-10-27T16:01:00.000Z","impacts":[{"capecId":"CAPEC-549","descriptions":[{"lang":"en","value":"CAPEC-549 Local Execution of Code"}]}],"credits":[{"lang":"en","value":"Adam Bedard","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}}}}}