{"id":"CVE-2026-43658","title":"The issue was addressed with improved memory handling","summary":"The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-119","CWE-120"],"vendor":"apple","product":"ipados","affected":["ipados < 26.5","iphone_os < 26.5","macos >= 26.0, < 26.5","tvos < 26.5","visionos < 26.5","watchos < 26.5"],"patched":["ipados 26.5","iphone_os 26.5","macos 26.5","tvos 26.5","visionos 26.5","watchos 26.5"],"published":"2026-05-11","updated":"2026-08-17","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-43658","references":[{"url":"https://support.apple.com/en-us/127110","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/127115","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/127118","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/127119","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/127120","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/127121","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/148287","label":"product-security@apple.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:25918","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:25927","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:27728","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:27785","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:27804","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:28114","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:28146","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:28147","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:28148","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/security/cve/CVE-2026-43658","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2483968","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43658.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}],"tags":["nvd"],"epss":0.00318,"epssPercentile":0.24958,"ingestedAt":"2026-08-18T15:19:02.281Z","slug":"CVE-2026-43658","body":"## Overview\n\nThe issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.\n\n## Affected\n\n- `ipados < 26.5`\n- `iphone_os < 26.5`\n- `macos >= 26.0, < 26.5`\n- `tvos < 26.5`\n- `visionos < 26.5`\n- `watchos < 26.5`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ipados 26.5`\n- `iphone_os 26.5`\n- `macos 26.5`\n- `tvos 26.5`\n- `visionos 26.5`\n- `watchos 26.5`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}