{
    "id": "CVE-2010-2939",
    "published": "2010-08-17 20:00:03",
    "last_modified": "2026-06-16 23:21:47",
    "cvss_score": "4.3",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
    "cwe": "CWE-399",
    "description": "Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime.  NOTE: some sources refer to this as a use-after-free issue.",
    "epss_score": "0.09977",
    "epss_percentile": "0.95449",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:09",
    "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": "34427",
            "title": "OpenSSL - 'ssl3_get_key_exchange()' Use-After-Free Memory Corruption",
            "date": "2010-08-07",
            "url": "https://www.exploit-db.com/exploits/34427"
        }
    ],
    "refs_list": [
        "http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00005.html",
        "http://marc.info/?l=bugtraq&m=130331363227777&w=2",
        "http://seclists.org/fulldisclosure/2010/Aug/84",
        "http://secunia.com/advisories/40906",
        "http://secunia.com/advisories/41105",
        "http://secunia.com/advisories/42309",
        "http://secunia.com/advisories/42413",
        "http://secunia.com/advisories/43312",
        "http://security.FreeBSD.org/advisories/FreeBSD-SA-10:10.openssl.asc",
        "http://securitytracker.com/id?1024296",
        "http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668793",
        "http://www.debian.org/security/2010/dsa-2100",
        "http://www.mail-archive.com/openssl-dev%40openssl.org/msg28043.html",
        "http://www.mail-archive.com/openssl-dev%40openssl.org/msg28045.html",
        "http://www.mail-archive.com/openssl-dev%40openssl.org/msg28049.html",
        "http://www.openwall.com/lists/oss-security/2010/08/11/6",
        "http://www.securityfocus.com/archive/1/516397/100/0/threaded",
        "http://www.ubuntu.com/usn/USN-1003-1",
        "http://www.vmware.com/security/advisories/VMSA-2011-0003.html",
        "http://www.vupen.com/english/advisories/2010/2038",
        "http://www.vupen.com/english/advisories/2010/2229",
        "http://www.vupen.com/english/advisories/2010/3077",
        "http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00005.html",
        "http://marc.info/?l=bugtraq&m=130331363227777&w=2",
        "http://seclists.org/fulldisclosure/2010/Aug/84"
    ]
}