{
    "id": "CVE-2007-1718",
    "published": "2007-03-28 00:19:00",
    "last_modified": "2026-06-16 22:38:10",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:C/A:N",
    "cwe": null,
    "description": "CRLF injection vulnerability in the mail function in PHP 4.0.0 through 4.4.6 and 5.0.0 through 5.2.1 allows remote attackers to inject arbitrary e-mail headers and possibly conduct spam attacks via a control character immediately following folding of the (1) Subject or (2) To parameter, as demonstrated by a parameter containing a \"\\r\\n\\t\\n\" sequence, related to an increment bug in the SKIP_LONG_HEADER_SEP macro.",
    "epss_score": "0.06689",
    "epss_percentile": "0.93715",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-05 18:17:05",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "php",
            "product": "php"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "29784",
            "title": "PHP 5.2.1 - Folded Mail Headers Email Header Injection",
            "date": "2007-11-26",
            "url": "https://www.exploit-db.com/exploits/29784"
        }
    ],
    "refs_list": [
        "http://rhn.redhat.com/errata/RHSA-2007-0155.html",
        "http://secunia.com/advisories/24909",
        "http://secunia.com/advisories/24924",
        "http://secunia.com/advisories/24965",
        "http://secunia.com/advisories/25025",
        "http://secunia.com/advisories/25056",
        "http://secunia.com/advisories/25057",
        "http://secunia.com/advisories/25062",
        "http://secunia.com/advisories/25445",
        "http://security.gentoo.org/glsa/glsa-200705-19.xml",
        "http://us2.php.net/releases/5_2_2.php",
        "http://www.debian.org/security/2007/dsa-1282",
        "http://www.debian.org/security/2007/dsa-1283",
        "http://www.mandriva.com/security/advisories?name=MDKSA-2007:087",
        "http://www.mandriva.com/security/advisories?name=MDKSA-2007:088",
        "http://www.mandriva.com/security/advisories?name=MDKSA-2007:089",
        "http://www.mandriva.com/security/advisories?name=MDKSA-2007:090",
        "http://www.novell.com/linux/security/advisories/2007_32_php.html",
        "http://www.php-security.org/MOPB/MOPB-34-2007.html",
        "http://www.redhat.com/support/errata/RHSA-2007-0153.html",
        "http://www.redhat.com/support/errata/RHSA-2007-0162.html",
        "http://www.securityfocus.com/bid/23145",
        "http://www.securitytracker.com/id?1017946",
        "http://www.ubuntu.com/usn/usn-455-1",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/33516"
    ]
}