{
  "id": "CVE-2025-31277",
  "url": "https://spydr.io/cve/CVE-2025-31277",
  "published": "2025-07-30T00:15:30.830Z",
  "modified": "2026-09-21T17:17:25.950Z",
  "score": 8.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "score_source": "CISA ADP",
  "epss": 0.01604,
  "epss_percentile": 0.75007,
  "exploited": true,
  "kev": {
    "added": "2026-03-20",
    "due": "2026-04-03",
    "action": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
    "ransomware": "Unknown",
    "name": "Apple Multiple Products Buffer Overflow Vulnerability",
    "notes": "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/124155 ; https://nvd.nist.gov/vuln/detail/CVE-2025-31277"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Apple",
    "Red Hat"
  ],
  "products": [
    "Apple Safari",
    "Apple iOS and iPadOS",
    "Apple macOS",
    "Apple tvOS",
    "Apple visionOS",
    "Apple watchOS",
    "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
    "Red Hat Enterprise Linux 8",
    "Red Hat Enterprise Linux 8.2 Advanced Update Support",
    "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
    "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
    "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
    "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
    "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
    "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
    "Red Hat Enterprise Linux 9",
    "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
    "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
    "Red Hat Enterprise Linux 9.4 Extended Update Support"
  ],
  "cwes": [
    "CWE-119",
    "CWE-120"
  ],
  "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.",
  "status": "Analyzed",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 8.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://support.apple.com/en-us/124147",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/124149",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/124152",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/124153",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/124154",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/124155",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2025/Aug/0",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2025/Jul/30",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2025/Jul/32",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2025/Jul/36",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:17643",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:17741",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:17743",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:17802",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:17807",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:18097",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:19109",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:19157",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:19165",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:19352",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://access.redhat.com/security/cve/CVE-2025-31277",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2448780",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/",
      "tags": [
        "Technical Description"
      ]
    },
    {
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-31277.json",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31277",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-31277",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}