{
    "id": "CVE-2009-1391",
    "published": "2009-06-16 23:30:00",
    "last_modified": "2026-06-16 23:07:11",
    "cvss_score": "6.8",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-189",
    "description": "Off-by-one error in the inflate function in Zlib.xs in Compress::Raw::Zlib Perl module before 2.017, as used in AMaViS, SpamAssassin, and possibly other products, allows context-dependent attackers to cause a denial of service (hang or crash) via a crafted zlib compressed stream that triggers a heap-based buffer overflow, as exploited in the wild by Trojan.Downloader-71014 in June 2009.",
    "epss_score": "0.07441",
    "epss_percentile": "0.94256",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-29 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "paul_marquess",
            "product": "compress-raw-zlib_perl_module"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "33032",
            "title": "Compress::Raw::Zlib Perl Module - Remote Code Execution",
            "date": "2009-05-11",
            "url": "https://www.exploit-db.com/exploits/33032"
        }
    ],
    "refs_list": [
        "http://article.gmane.org/gmane.mail.virus.amavis.user/33635",
        "http://article.gmane.org/gmane.mail.virus.amavis.user/33638",
        "http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html",
        "http://osvdb.org/55041",
        "http://secunia.com/advisories/35422",
        "http://secunia.com/advisories/35685",
        "http://secunia.com/advisories/35689",
        "http://secunia.com/advisories/35876",
        "http://security.gentoo.org/glsa/glsa-200908-07.xml",
        "http://thread.gmane.org/gmane.mail.virus.amavis.user/33635",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2009:157",
        "http://www.securityfocus.com/bid/35307",
        "http://www.vupen.com/english/advisories/2009/1571",
        "https://bugs.gentoo.org/show_bug.cgi?id=273141",
        "https://bugzilla.redhat.com/show_bug.cgi?id=504386",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/51062",
        "https://usn.ubuntu.com/794-1/",
        "https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00607.html",
        "http://article.gmane.org/gmane.mail.virus.amavis.user/33635",
        "http://article.gmane.org/gmane.mail.virus.amavis.user/33638",
        "http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html",
        "http://osvdb.org/55041",
        "http://secunia.com/advisories/35422",
        "http://secunia.com/advisories/35685",
        "http://secunia.com/advisories/35689"
    ]
}