{"id":"CVE-2026-43704","state":"PUBLISHED","title":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26","description":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious web extension may be able to cause an unexpected process crash.","publishedAt":"2026-06-29T19:42:55.246Z","updatedAt":"2026-07-27T20:13:10.824Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"apple","products":["Apple Safari","Apple iOS and iPadOS","Apple macOS","Apple tvOS","Apple visionOS","Apple watchOS"],"affected":[{"vendor":"Apple","product":"Safari","versions":[{"version":"0","status":"affected","lessThan":"26.5.2","versionType":"custom"}]},{"vendor":"Apple","product":"iOS and iPadOS","versions":[{"version":"0","status":"affected","lessThan":"26.5.2","versionType":"custom"}]},{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"26.5.2","versionType":"custom"}]},{"vendor":"Apple","product":"tvOS","versions":[{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]},{"vendor":"Apple","product":"visionOS","versions":[{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]},{"vendor":"Apple","product":"watchOS","versions":[{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]}],"references":["https://support.apple.com/en-us/127594","https://support.apple.com/en-us/127595","https://support.apple.com/en-us/127685","https://support.apple.com/en-us/128068","https://support.apple.com/en-us/128069","https://support.apple.com/en-us/128070"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43704.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43704","state":"PUBLISHED","datePublished":"2026-06-29T19:42:55.246Z","dateUpdated":"2026-07-27T20:13:10.824Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2026-05-01T22:46:21.643Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious web extension may be able to cause an unexpected process crash."}],"affected":[{"vendor":"Apple","product":"Safari","versions":[{"version":"0","status":"affected","lessThan":"26.5.2","versionType":"custom"}]},{"vendor":"Apple","product":"iOS and iPadOS","versions":[{"version":"0","status":"affected","lessThan":"26.5.2","versionType":"custom"}]},{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"26.5.2","versionType":"custom"}]},{"vendor":"Apple","product":"tvOS","versions":[{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]},{"vendor":"Apple","product":"visionOS","versions":[{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]},{"vendor":"Apple","product":"watchOS","versions":[{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]}],"references":[{"url":"https://support.apple.com/en-us/127594"},{"url":"https://support.apple.com/en-us/127595"},{"url":"https://support.apple.com/en-us/127685"},{"url":"https://support.apple.com/en-us/128068"},{"url":"https://support.apple.com/en-us/128069"},{"url":"https://support.apple.com/en-us/128070"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"A malicious web extension may be able to cause an unexpected process crash"}]}],"providerMetadata":{"shortName":"apple","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateUpdated":"2026-07-27T20:13:10.824Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"REQUIRED","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-29T21:43:59.961017Z","id":"CVE-2026-43704","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":"2026-06-29T21:44:04.195Z"}}]}}}