{
    "id": "CVE-2012-2110",
    "published": "2012-04-19 17:55:01",
    "last_modified": "2026-06-16 23:41:00",
    "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-119",
    "description": "The asn1_d2i_read_bio function in crypto/asn1/a_d2i_fp.c in OpenSSL before 0.9.8v, 1.0.0 before 1.0.0i, and 1.0.1 before 1.0.1a does not properly interpret integer data, which allows 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.",
    "epss_score": "0.47913",
    "epss_percentile": "0.98816",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:11",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "openssl",
            "product": "openssl"
        },
        {
            "vendor": "redhat",
            "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://archives.neohapsis.com/archives/fulldisclosure/2012-04/0209.html",
        "http://cvs.openssl.org/chngview?cn=22431",
        "http://cvs.openssl.org/chngview?cn=22434",
        "http://cvs.openssl.org/chngview?cn=22439",
        "http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2012-April/079149.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2012-April/079299.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080176.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.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=133951357207000&w=2",
        "http://marc.info/?l=bugtraq&m=134039053214295&w=2",
        "http://osvdb.org/81223",
        "http://rhn.redhat.com/errata/RHSA-2012-0518.html",
        "http://rhn.redhat.com/errata/RHSA-2012-0522.html",
        "http://rhn.redhat.com/errata/RHSA-2012-1306.html",
        "http://rhn.redhat.com/errata/RHSA-2012-1307.html",
        "http://rhn.redhat.com/errata/RHSA-2012-1308.html",
        "http://secunia.com/advisories/48847",
        "http://secunia.com/advisories/48895",
        "http://secunia.com/advisories/48899",
        "http://secunia.com/advisories/48942"
    ]
}