{
    "id": "CVE-2008-3443",
    "published": "2008-08-14 23:41:00",
    "last_modified": "2026-06-16 22:55:50",
    "cvss_score": "5.0",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
    "cwe": "CWE-399",
    "description": "The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.",
    "epss_score": "0.15678",
    "epss_percentile": "0.96742",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:07",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "ruby-lang",
            "product": "ruby"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "6239",
            "title": "Ruby 1.9 - regex engine Remote Socket Memory Leak",
            "date": "2008-08-13",
            "url": "https://www.exploit-db.com/exploits/6239"
        }
    ],
    "refs_list": [
        "http://lists.apple.com/archives/security-announce/2009/May/msg00002.html",
        "http://secunia.com/advisories/31430",
        "http://secunia.com/advisories/32165",
        "http://secunia.com/advisories/32219",
        "http://secunia.com/advisories/32371",
        "http://secunia.com/advisories/32372",
        "http://secunia.com/advisories/33185",
        "http://secunia.com/advisories/33398",
        "http://secunia.com/advisories/35074",
        "http://securityreason.com/securityalert/4158",
        "http://support.apple.com/kb/HT3549",
        "http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm",
        "http://www.debian.org/security/2009/dsa-1695",
        "http://www.redhat.com/support/errata/RHSA-2008-0895.html",
        "http://www.redhat.com/support/errata/RHSA-2008-0897.html",
        "http://www.securityfocus.com/bid/30682",
        "http://www.securitytracker.com/id?1021075",
        "http://www.us-cert.gov/cas/techalerts/TA09-133A.html",
        "http://www.vupen.com/english/advisories/2009/1297",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/44688",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9570",
        "https://usn.ubuntu.com/651-1/",
        "https://usn.ubuntu.com/691-1/",
        "https://www.exploit-db.com/exploits/6239",
        "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html"
    ]
}