CVE-2025-43419
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Processing maliciously crafted web content may cause memory corruption, fixed in Safari 26 and OS updates.
Vulnerability
Overview CVE-2025-43419 is a memory corruption vulnerability in the memory handling of WebKit. The issue is triggered when processing maliciously crafted web content, which may lead to memory corruption [1][2][3][4].
Exploitation
An attacker can exploit this vulnerability by enticing a user to visit a specially crafted webpage. No additional user interaction is required beyond browsing the malicious content, as the corruption occurs during content parsing [1][2][3][4].
Impact
Successful exploitation could allow an attacker to cause memory corruption, potentially leading to arbitrary code execution or a crash. The impact is consistent across affected platforms [1][2][3][4].
Mitigation
Apple has addressed the issue with improved memory handling in Safari 26 and corresponding OS updates for iOS 26, iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, and watchOS 26 [1][2][3][4]. Users are advised to update their devices promptly.
AI Insight generated on May 19, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
9cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*range: <26.0
- (no CPE)range: <26
- Range: <26
- Range: <26
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- support.apple.com/en-us/125108nvdRelease NotesVendor Advisory
- support.apple.com/en-us/125113nvdRelease NotesVendor Advisory
- support.apple.com/en-us/125114nvdRelease NotesVendor Advisory
- support.apple.com/en-us/125115nvdRelease NotesVendor Advisory
- support.apple.com/en-us/125116nvdRelease NotesVendor Advisory
- support.apple.com/en-us/125110nvd
News mentions
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