CVE-2026-94284

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{"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"}

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