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{"bugzilla": {"description": "libXi: libXi: Denial of Service via out-of-bounds read during XI2 class parsing", "id": "2540477", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2540477"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in libXi. An out-of-bounds read vulnerability occurs during the parsing of X Input Extension (XI2) device class data. A malicious X server can exploit this vulnerability by sending specially crafted class responses to a connected client application. This causes the client to read beyond memory boundaries and crash, resulting in a Denial of Service (DoS)."], "mitigation": {"lang": "en:us", "value": "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."}, "name": "CVE-2026-93542", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "libXi", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libXi", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "libXi", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "libXi", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "libXi", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "libXi", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-09-24T16:03:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-93542\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-93542\nhttps://gitlab.freedesktop.org/xorg/lib/libxi/-/merge_requests/23/diffs?commit_id=f499944ad595b9bd7e7571c810842244caf150aa"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.8.4)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "libXi", "source": "cna", "vendor": "x.org"}, "product": "libxi", "vendor": "x.org"}], "created": "2026-09-24T19:45:17.642281+00:00", "updated": "2026-09-25T04:45:16.242358+00:00", "vendors": ["x.org", "x.org$PRODUCT$libxi"]}