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The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to memory corruption.

CVE-2025-43419 is a critical memory corruption vulnerability identified in Apple Safari, tracked under CWE-119, which relates to improper restriction of operations within the bounds of memory buffers. This vulnerability occurs when Safari processes maliciously crafted web content, leading to memory corruption that can be exploited to achieve arbitrary code execution, compromise confidentiality, integrity, and availability of the affected system. The vulnerability requires no privileges to exploit but does require user interaction, such as visiting a malicious website or opening a crafted web page. The CVSS v3.1 base score of 8.8 reflects its high impact and ease of exploitation over the network (AV:N), with low attack complexity (AC:L), no privileges required (PR:N), but user interaction necessary (UI:R). The scope is unchanged (S:U), but the impact on confidentiality, integrity, and availability is high (C:H/I:H/A:H). Apple has addressed this issue by improving memory handling in Safari 26 and corresponding OS versions: iOS 26, iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, and watchOS 26. No public exploits have been reported yet, but the vulnerability poses a significant risk due to the widespread use of Safari on Apple devices and the potential for remote code execution. The vulnerability was reserved in April 2025 and published in November 2025, indicating a relatively recent discovery and patch release cycle.

Detailed information about CVE-2025-43419: Processing maliciously crafted web content may lead to memory corruption in Apple iOS and iPadOS affecting Apple iOS 

CVE-2025-43419: Processing maliciously crafted web content may lead to memory corruption in Apple iOS and iPadOS - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-43419: Processing maliciously crafted web content may lead to memory corruption in Apple Safari

webkitgtk4

The issue was addressed with improved checks. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to memory corruption.

CVE-2025-31223 is a memory corruption vulnerability in Apple Safari caused by processing maliciously crafted web content. The flaw was addressed by Apple through improved input validation and checks, with patches released in Safari 18.5 and corresponding OS versions. The vulnerability has a CVSS v3.1 score of 8.0, indicating high severity with network attack vector, low attack complexity, requiring low privileges and user interaction, and impacts confidentiality, integrity, and availability. Red Hat's advisory indicates related fixes in the WebKitGTK+ package for Red Hat Enterprise Linux 7 Extended Lifecycle Support, addressing similar issues in the web rendering engine. The vendor advisory confirms the availability of official fixes.

Detailed information about Red Hat Security Advisory: webkitgtk4 security update affecting Red Hat Product Security Red Hat. Get real-time updates, technical de

Webkitgtk4: Processing maliciously crafted web content may lead to memory corruption in Apple Safari (CVE-2025-31223) - Live Threat Intelligence - Threat Radar | OffSeq.com

https://access.redhat.com/security/updates/classification/#important

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CVE-2025-31223: Processing maliciously crafted web content may lead to memory corruption in Apple Safari


CVE-2025-43419: Processing maliciously crafted web content may lead to memory corruption in Apple SafariCVE-2025-43419 0 The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to memory corruption. HighVulnerabilityUnited StatesCanadaUnited Kingdom+12#cve #cve-2025-43419 Join the discussion	CVE Database V5	11/04/2025, 01:16:11 UTC Added: 11/04/2025, 01:49:31 UTC
CVE-2025-31223: Processing maliciously crafted web content may lead to memory corruption in Apple SafariCVE-2025-31223 0 The issue was addressed with improved checks. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to memory corruption. HighVulnerability#gcve #csaf #cve-2025-31223 Join the discussion	GCVE Database	05/12/2025, 21:42:17 UTC Added: 06/25/2026, 21:47:11 UTC

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