{
    "id": "CVE-2025-31277",
    "published": "2025-07-30 00:15:30",
    "last_modified": "2026-09-21 17:17:25",
    "cvss_score": "8.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": "CWE-119",
    "description": "The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.",
    "epss_score": "0.01631",
    "epss_percentile": "0.75277",
    "kev": 1,
    "kev_due": "2026-04-03",
    "has_exploit": 0,
    "updated_at": "2026-09-27 18:17:49",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2026-04-03."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "ipados"
        },
        {
            "vendor": "apple",
            "product": "iphone_os"
        },
        {
            "vendor": "apple",
            "product": "macos"
        },
        {
            "vendor": "apple",
            "product": "safari"
        },
        {
            "vendor": "apple",
            "product": "tvos"
        },
        {
            "vendor": "apple",
            "product": "visionos"
        },
        {
            "vendor": "apple",
            "product": "watchos"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_aus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_els"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_eus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_tus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_update_services_for_sap_solutions"
        },
        {
            "vendor": "webkitgtk",
            "product": "webkitgtk"
        },
        {
            "vendor": "wpewebkit",
            "product": "wpe_webkit"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2025-31277",
        "date_added": "2026-03-20",
        "due_date": "2026-04-03",
        "vendor": "Apple",
        "product": "Multiple Products",
        "name": "Apple Multiple Products Buffer Overflow Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://support.apple.com/en-us/124147",
        "https://support.apple.com/en-us/124149",
        "https://support.apple.com/en-us/124152",
        "https://support.apple.com/en-us/124153",
        "https://support.apple.com/en-us/124154",
        "https://support.apple.com/en-us/124155",
        "http://seclists.org/fulldisclosure/2025/Aug/0",
        "http://seclists.org/fulldisclosure/2025/Jul/30",
        "http://seclists.org/fulldisclosure/2025/Jul/32",
        "http://seclists.org/fulldisclosure/2025/Jul/36",
        "https://access.redhat.com/errata/RHSA-2025:17643",
        "https://access.redhat.com/errata/RHSA-2025:17741",
        "https://access.redhat.com/errata/RHSA-2025:17743",
        "https://access.redhat.com/errata/RHSA-2025:17802",
        "https://access.redhat.com/errata/RHSA-2025:17807",
        "https://access.redhat.com/errata/RHSA-2025:18097",
        "https://access.redhat.com/errata/RHSA-2025:19109",
        "https://access.redhat.com/errata/RHSA-2025:19157",
        "https://access.redhat.com/errata/RHSA-2025:19165",
        "https://access.redhat.com/errata/RHSA-2025:19352",
        "https://access.redhat.com/security/cve/CVE-2025-31277",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2448780",
        "https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/",
        "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-31277.json",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31277"
    ]
}