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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "libX11", "product": "libX11", "repo": "https://gitlab.freedesktop.org/xorg/lib/libx11", "vendor": "x.org", "versions": [{"lessThan": "1.8.14", "status": "affected", "version": "0", "versionType": "rpm"}]}], "source": "meissner@suse.de"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds read vulnerability in libX11's XIM trigger-key registration parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients."}], "id": "CVE-2026-94284", "lastModified": "2026-09-28T09:17:08.247", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "meissner@suse.de", "type": "Secondary"}]}, "published": "2026-09-28T09:17:08.247", "references": [{"source": "meissner@suse.de", "url": "https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/310/diffs?commit_id=1b7904002d212eed40949ccf4e8e7156f9fec0e2"}], "sourceIdentifier": "meissner@suse.de", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "meissner@suse.de", "type": "Primary"}]}

{"bugzilla": {"description": "libX11: libX11: Denial of Service via out-of-bounds read in XIM trigger-key registration parser", "id": "2542378", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2542378"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/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 libX11. An out-of-bounds read vulnerability exists in the X Input Method (XIM) trigger-key registration parser. A malicious X server can exploit this flaw by sending specially crafted trigger-key registration data to connected client applications, causing them to crash and resulting in a Denial of Service (DoS)."], "name": "CVE-2026-94284", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "libX11", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libX11", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "libX11", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "libX11", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "libX11", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "libX11", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-09-28T08:42:56Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-94284\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-94284\nhttps://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/310/diffs?commit_id=1b7904002d212eed40949ccf4e8e7156f9fec0e2"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.8.14)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "inferred", "scores": [{"score": 100.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "libX11", "source": "cna", "vendor": "x.org"}, "product": "libx11", "vendor": "x.org"}], "created": "2026-09-28T10:30:14.924117+00:00", "updated": "2026-09-28T11:00:14.764241+00:00", "vendors": ["x.org", "x.org$PRODUCT$libx11"]}