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{"bugzilla": {"description": "Wireshark: Wireshark: Denial of service via LZ77 decompression crash", "id": "2464042", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464042"}, "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-409", "details": ["A flaw was found in Wireshark. A remote attacker could exploit a dissection engine LZ77 decompression crash by crafting a malicious packet. This vulnerability leads to a Denial of Service (DoS) condition, making the application unavailable."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, users should avoid opening untrusted or suspicious packet capture files with Wireshark. Running Wireshark in a sandboxed environment can further limit the potential impact of processing malicious data."}, "name": "CVE-2026-6533", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-30T05:36:39Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-6533\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-6533\nhttps://gitlab.com/wireshark/wireshark/-/issues/21127\nhttps://www.wireshark.org/security/wnpa-sec-2026-28.html"], "threat_severity": "Moderate"}