{
    "id": "CVE-2012-1593",
    "published": "2012-04-11 10:39:26",
    "last_modified": "2026-06-16 23:39:49",
    "cvss_score": "3.3",
    "cvss_severity": "LOW",
    "cvss_version": "2.0",
    "cvss_vector": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
    "cwe": null,
    "description": "epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.",
    "epss_score": "0.11166",
    "epss_percentile": "0.95848",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-07 18:17:09",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "wireshark",
            "product": "wireshark"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "18758",
            "title": "Wireshark - 'call_dissector()' Null Pointer Dereference Denial of Service",
            "date": "2012-04-19",
            "url": "https://www.exploit-db.com/exploits/18758"
        }
    ],
    "refs_list": [
        "http://anonsvn.wireshark.org/viewvc?view=revision&revision=40962",
        "http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078769.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078770.html",
        "http://lists.opensuse.org/opensuse-updates/2012-04/msg00060.html",
        "http://secunia.com/advisories/48548",
        "http://secunia.com/advisories/48986",
        "http://www.exploit-db.com/exploits/18758",
        "http://www.openwall.com/lists/oss-security/2012/03/28/13",
        "http://www.securitytracker.com/id?1026874",
        "http://www.wireshark.org/security/wnpa-sec-2012-04.html",
        "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6823",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/74361",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14991",
        "http://anonsvn.wireshark.org/viewvc?view=revision&revision=40962",
        "http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078769.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078770.html",
        "http://lists.opensuse.org/opensuse-updates/2012-04/msg00060.html",
        "http://secunia.com/advisories/48548",
        "http://secunia.com/advisories/48986",
        "http://www.exploit-db.com/exploits/18758",
        "http://www.openwall.com/lists/oss-security/2012/03/28/13",
        "http://www.securitytracker.com/id?1026874",
        "http://www.wireshark.org/security/wnpa-sec-2012-04.html",
        "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6823",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/74361"
    ]
}