{"id":"CVE-2025-43434","state":"PUBLISHED","title":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, ","description":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.","publishedAt":"2025-11-04T01:16:26.023Z","updatedAt":"2026-04-02T18:15:47.219Z","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","Apple watchOS"],"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":"18.7.2","versionType":"custom"},{"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"}]},{"vendor":"Apple","product":"watchOS","versions":[{"version":"0","status":"affected","lessThan":"26.1","versionType":"custom"}]}],"references":["https://support.apple.com/en-us/125632","https://support.apple.com/en-us/125633","https://support.apple.com/en-us/125634","https://support.apple.com/en-us/125638","https://support.apple.com/en-us/125639","https://support.apple.com/en-us/125640"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:09:17.366Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/43xxx/CVE-2025-43434.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-43434","state":"PUBLISHED","datePublished":"2025-11-04T01:16:26.023Z","dateUpdated":"2026-04-02T18:15:47.219Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2025-04-16T15:24:37.124Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari 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":"18.7.2","versionType":"custom"},{"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"}]},{"vendor":"Apple","product":"watchOS","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/125633"},{"url":"https://support.apple.com/en-us/125634"},{"url":"https://support.apple.com/en-us/125638"},{"url":"https://support.apple.com/en-us/125639"},{"url":"https://support.apple.com/en-us/125640"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Processing maliciously crafted web content may lead to an unexpected Safari crash"}]}],"providerMetadata":{"shortName":"apple","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateUpdated":"2026-04-02T18:15:47.219Z"}},"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":"2025-11-04T13:14:28.950910Z","id":"CVE-2025-43434","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","type":"CWE","lang":"en","description":"CWE-416 Use After Free"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-11-04T13:14:31.971Z"}}]}}}