{
    "id": "CVE-2012-2131",
    "published": "2012-04-24 20:55:02",
    "last_modified": "2026-06-16 23:41:03",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-189",
    "description": "Multiple integer signedness errors in crypto/buffer/buffer.c in OpenSSL 0.9.8v allow remote attackers to conduct buffer overflow attacks, and cause a denial of service (memory corruption) or possibly have unspecified other impact, via crafted DER data, as demonstrated by an X.509 certificate or an RSA public key.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-2110.",
    "epss_score": "0.16818",
    "epss_percentile": "0.96951",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-30 18:17:10",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "openssl",
            "product": "openssl"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "18756",
            "title": "OpenSSL - ASN1 BIO Memory Corruption",
            "date": "2012-04-19",
            "url": "https://www.exploit-db.com/exploits/18756"
        }
    ],
    "refs_list": [
        "http://cvs.openssl.org/chngview?cn=22479",
        "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673",
        "http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html",
        "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00014.html",
        "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00015.html",
        "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00007.html",
        "http://marc.info/?l=bugtraq&m=133728068926468&w=2",
        "http://marc.info/?l=bugtraq&m=134039053214295&w=2",
        "http://secunia.com/advisories/48895",
        "http://secunia.com/advisories/48956",
        "http://secunia.com/advisories/57353",
        "http://support.apple.com/kb/HT5784",
        "http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564",
        "http://www.debian.org/security/2012/dsa-2454",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2012:064",
        "http://www.openssl.org/news/secadv_20120424.txt",
        "http://www.openwall.com/lists/oss-security/2012/04/24/1",
        "http://www.securityfocus.com/bid/53212",
        "http://www.securitytracker.com/id?1026957",
        "http://www.ubuntu.com/usn/USN-1428-1",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/75099",
        "http://cvs.openssl.org/chngview?cn=22479",
        "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673",
        "http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html",
        "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00014.html"
    ]
}