CVE-2026-76928

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{"bugzilla": {"description": "wireshark: Wireshark: Denial of Service via X.509IF protocol dissector crash", "id": "2520100", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2520100"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in Wireshark. A remote attacker could exploit a NULL pointer dereference vulnerability in the X.509IF protocol dissector. This could lead to a denial of service, making the application unavailable to legitimate users."], "name": "CVE-2026-76928", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Under investigation", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-19T23:00:16Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-76928\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-76928\nhttps://gitlab.com/wireshark/wireshark/-/work_items/21469\nhttps://www.wireshark.org/security/wnpa-sec-2026-87.html"], "threat_severity": "Important"}

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