{"id":"CVE-2025-31277","published":"2025-07-30T00:15:30Z","modified":"2026-09-21T17:17:25Z","title":"Apple Multiple Products Buffer Overflow Vulnerability","vendor":"Apple","product":"Multiple Products","tier":"core","eol":null,"description":{"text":"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.","provenance":"source","from":"NVD"},"summary":{"text":"The vulnerability is a buffer overflow affecting multiple Apple products, including the Safari web browser and components across iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. It stems from a memory-handling flaw in the affected software. An attacker can cause memory corruption by getting a user to process maliciously crafted web content, which requires no prior authentication but does require the user to interact with that content, such as by visiting a page.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-30T13:36:24Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.01678,"percentile":0.7688,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2026-03-20","dueDate":"2026-04-03","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","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","provenance":"source"},"vulncheckKev":{"dateAdded":"2026-03-18","exploitedFirstSeen":"2026-03-18","ransomware":false,"evidence":[{"url":"https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/","date":"2026-03-18"},{"url":"https://iverify.io/blog/darksword-ios-exploit-kit-explained","date":"2026-03-18"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2026-03-20"},{"url":"https://8ksec.io/how-browser-exploits-work-darksword-ios-cve-2025-43529/","date":"2026-04-19"},{"url":"https://www.trellix.com/advanced-research-center/threat-reports/secondsight-threat-hunting-report-september-2026/","date":"2026-09-08"},{"url":"https://censys.com/blog/darksword-coruna-open-directory-finding-report/","date":"2026-10-07"}],"evidenceTotal":6,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"name":"Adversary Unmasked APT Profile - Star Blizzard","url":"https://otx.alienvault.com/pulse/6ae244fe073f118d830cf4be","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"WebKit Memory Fallback Loop","url":"https://otx.alienvault.com/pulse/6ada898c800d47e6d3e09041","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"}],"provenance":"machine"},"cwes":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"},{"id":"CWE-120","name":"Buffer Copy without Checking Size of Input"}],"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 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