{"id":"CVE-2025-43421","state":"PUBLISHED","title":"Multiple issues were addressed by disabling array allocation sinking. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1. Processing mali","description":"Multiple issues were addressed by disabling array allocation sinking. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.","publishedAt":"2025-11-04T01:17:02.976Z","updatedAt":"2026-04-02T18:19:54.070Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","source":"CISA-ADP"},"assigner":"apple","products":["Apple Safari","Apple iOS and iPadOS","Apple macOS","Apple visionOS"],"affected":[{"vendor":"Apple","product":"Safari","versions":[{"version":"0","status":"affected","lessThan":"26.1","versionType":"custom"}]},{"vendor":"Apple","product":"iOS and iPadOS","versions":[{"version":"0","status":"affected","lessThan":"26.1","versionType":"custom"}]},{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"26.1","versionType":"custom"}]},{"vendor":"Apple","product":"visionOS","versions":[{"version":"0","status":"affected","lessThan":"26.1","versionType":"custom"}]}],"references":["https://support.apple.com/en-us/125632","https://support.apple.com/en-us/125634","https://support.apple.com/en-us/125638","https://support.apple.com/en-us/125640"],"weaknesses":["CWE-125","CWE-787"],"ingestedAt":"2026-10-29T20:09:17.366Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/43xxx/CVE-2025-43421.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-43421","state":"PUBLISHED","datePublished":"2025-11-04T01:17:02.976Z","dateUpdated":"2026-04-02T18:19:54.070Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2025-04-16T15:24:37.123Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Multiple issues were addressed by disabling array allocation sinking. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash."}],"affected":[{"vendor":"Apple","product":"Safari","versions":[{"version":"0","status":"affected","lessThan":"26.1","versionType":"custom"}]},{"vendor":"Apple","product":"iOS and iPadOS","versions":[{"version":"0","status":"affected","lessThan":"26.1","versionType":"custom"}]},{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"26.1","versionType":"custom"}]},{"vendor":"Apple","product":"visionOS","versions":[{"version":"0","status":"affected","lessThan":"26.1","versionType":"custom"}]}],"references":[{"url":"https://support.apple.com/en-us/125632"},{"url":"https://support.apple.com/en-us/125634"},{"url":"https://support.apple.com/en-us/125638"},{"url":"https://support.apple.com/en-us/125640"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Processing maliciously crafted web content may lead to an unexpected process crash"}]}],"providerMetadata":{"shortName":"apple","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateUpdated":"2026-04-02T18:19:54.070Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","integrityImpact":"NONE","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-11-04T13:09:19.765196Z","id":"CVE-2025-43421","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","type":"CWE","lang":"en","description":"CWE-125 Out-of-bounds Read"}]},{"descriptions":[{"cweId":"CWE-787","type":"CWE","lang":"en","description":"CWE-787 Out-of-bounds Write"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-11-04T16:52:25.936Z"}}]}}}