{
    "id": "CVE-2015-3798",
    "published": "2015-08-17 00:00:13",
    "last_modified": "2026-06-17 00:26:18",
    "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 TRE library in Libc in Apple iOS before 8.4.1 and OS X before 10.10.5 allows context-dependent attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted regular expression, a different vulnerability than CVE-2015-3796 and CVE-2015-3797.",
    "epss_score": "0.13322",
    "epss_percentile": "0.96294",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-02 18:17:15",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "iphone_os"
        },
        {
            "vendor": "apple",
            "product": "mac_os_x"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "38262",
            "title": "Apple Mac OSX Regex Engine (TRE) - Integer Signedness / Overflow",
            "date": "2015-09-22",
            "url": "https://www.exploit-db.com/exploits/38262"
        }
    ],
    "refs_list": [
        "http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html",
        "http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html",
        "http://www.securityfocus.com/bid/76343",
        "http://www.securitytracker.com/id/1033275",
        "https://code.google.com/p/google-security-research/issues/detail?id=429",
        "https://support.apple.com/kb/HT205030",
        "https://support.apple.com/kb/HT205031",
        "https://www.exploit-db.com/exploits/38262/",
        "http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html",
        "http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html",
        "http://www.securityfocus.com/bid/76343",
        "http://www.securitytracker.com/id/1033275",
        "https://code.google.com/p/google-security-research/issues/detail?id=429",
        "https://support.apple.com/kb/HT205030",
        "https://support.apple.com/kb/HT205031",
        "https://www.exploit-db.com/exploits/38262/"
    ]
}