{
    "id": "CVE-2004-0594",
    "published": "2004-07-27 04:00:00",
    "last_modified": "2026-06-16 22:05:56",
    "cvss_score": "5.1",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-367",
    "description": "The memory_limit functionality in PHP 4.x up to 4.3.7, and 5.x up to 5.0.0RC3, under certain conditions such as when register_globals is enabled, allows remote attackers to execute arbitrary code by triggering a memory_limit abort during execution of the zend_hash_init function and overwriting a HashTable destructor pointer before the initialization of key data structures is complete.",
    "epss_score": "0.54856",
    "epss_percentile": "0.98993",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:14:23",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "avaya",
            "product": "converged_communications_server"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "hp",
            "product": "hp-ux"
        },
        {
            "vendor": "openpkg",
            "product": "openpkg"
        },
        {
            "vendor": "php",
            "product": "php"
        },
        {
            "vendor": "trustix",
            "product": "secure_linux"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "660",
            "title": "PHP 4.3.7/5.0.0RC3 - 'memory_limit' Remote Overflow",
            "date": "2004-11-27",
            "url": "https://www.exploit-db.com/exploits/660"
        }
    ],
    "refs_list": [
        "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000847",
        "http://lists.grok.org.uk/pipermail/full-disclosure/2004-July/023908.html",
        "http://marc.info/?l=bugtraq&m=108981780109154&w=2",
        "http://marc.info/?l=bugtraq&m=108982983426031&w=2",
        "http://marc.info/?l=bugtraq&m=109051444105182&w=2",
        "http://marc.info/?l=bugtraq&m=109181600614477&w=2",
        "http://www.debian.org/security/2004/dsa-531",
        "http://www.debian.org/security/2005/dsa-669",
        "http://www.gentoo.org/security/en/glsa/glsa-200407-13.xml",
        "http://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:068",
        "http://www.novell.com/linux/security/advisories/2004_21_php4.html",
        "http://www.redhat.com/support/errata/RHSA-2004-392.html",
        "http://www.redhat.com/support/errata/RHSA-2004-395.html",
        "http://www.redhat.com/support/errata/RHSA-2004-405.html",
        "http://www.redhat.com/support/errata/RHSA-2005-816.html",
        "http://www.securityfocus.com/bid/10725",
        "http://www.trustix.org/errata/2004/0039/",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/16693",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10896",
        "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000847",
        "http://lists.grok.org.uk/pipermail/full-disclosure/2004-July/023908.html",
        "http://marc.info/?l=bugtraq&m=108981780109154&w=2",
        "http://marc.info/?l=bugtraq&m=108982983426031&w=2",
        "http://marc.info/?l=bugtraq&m=109051444105182&w=2",
        "http://marc.info/?l=bugtraq&m=109181600614477&w=2"
    ]
}