{
    "id": "CVE-2012-0031",
    "published": "2012-01-18 20:55:02",
    "last_modified": "2026-06-16 23:36:31",
    "cvss_score": "4.6",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
    "cwe": null,
    "description": "scoreboard.c in the Apache HTTP Server 2.2.21 and earlier might allow local users to cause a denial of service (daemon crash during shutdown) or possibly have unspecified other impact by modifying a certain type field within a scoreboard shared memory segment, leading to an invalid call to the free function.",
    "epss_score": "0.02799",
    "epss_percentile": "0.86012",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-06 18:17:09",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "apache",
            "product": "http_server"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "opensuse",
            "product": "opensuse"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_desktop"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_eus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server_aus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_workstation"
        },
        {
            "vendor": "redhat",
            "product": "jboss_enterprise_web_server"
        },
        {
            "vendor": "redhat",
            "product": "storage"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_server"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_software_development_kit"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "41768",
            "title": "Apache 2.2 - Scoreboard Invalid Free On Shutdown",
            "date": "2012-01-11",
            "url": "https://www.exploit-db.com/exploits/41768"
        }
    ],
    "refs_list": [
        "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041",
        "http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html",
        "http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00026.html",
        "http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00002.html",
        "http://marc.info/?l=bugtraq&m=133294460209056&w=2",
        "http://marc.info/?l=bugtraq&m=133494237717847&w=2",
        "http://marc.info/?l=bugtraq&m=134987041210674&w=2",
        "http://rhn.redhat.com/errata/RHSA-2012-0128.html",
        "http://rhn.redhat.com/errata/RHSA-2012-0542.html",
        "http://rhn.redhat.com/errata/RHSA-2012-0543.html",
        "http://secunia.com/advisories/47410",
        "http://secunia.com/advisories/48551",
        "http://support.apple.com/kb/HT5501",
        "http://svn.apache.org/viewvc?view=revision&revision=1230065",
        "http://www.debian.org/security/2012/dsa-2405",
        "http://www.halfdog.net/Security/2011/ApacheScoreboardInvalidFreeOnShutdown/",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2012:012",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2013:150",
        "http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html",
        "http://www.securityfocus.com/bid/51407",
        "https://bugzilla.redhat.com/show_bug.cgi?id=773744",
        "https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E",
        "https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E",
        "https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E",
        "https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E"
    ]
}