CVE-2025-43368: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple Safari
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26. Processing maliciously crafted web content may lead to an unexpected Safari crash.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in Apple Safari, which occurs when the browser processes specially crafted web content. This memory management flaw can lead to an unexpected crash of the Safari browser. Apple fixed the issue in Safari 26 and corresponding OS versions (iOS 26, iPadOS 26, macOS Tahoe 26) by improving memory handling to prevent the use-after-free scenario. The vulnerability is identified as CWE-416 and has a CVSS v3.1 base score of 4.3, reflecting a network attack vector with low complexity and requiring user interaction, resulting in availability impact only.
Potential Impact
Successful exploitation of this vulnerability may cause Safari to crash unexpectedly, leading to denial of service for the user. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild, reducing immediate risk.
Mitigation Recommendations
A fix is available in Safari 26, iOS 26, iPadOS 26, and macOS Tahoe 26. Users and administrators should update affected Apple devices and Safari browsers to these versions or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the official software updates from Apple.
CVE-2025-43368: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple Safari
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26. Processing maliciously crafted web content may lead to an unexpected Safari crash.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in Apple Safari, which occurs when the browser processes specially crafted web content. This memory management flaw can lead to an unexpected crash of the Safari browser. Apple fixed the issue in Safari 26 and corresponding OS versions (iOS 26, iPadOS 26, macOS Tahoe 26) by improving memory handling to prevent the use-after-free scenario. The vulnerability is identified as CWE-416 and has a CVSS v3.1 base score of 4.3, reflecting a network attack vector with low complexity and requiring user interaction, resulting in availability impact only.
Potential Impact
Successful exploitation of this vulnerability may cause Safari to crash unexpectedly, leading to denial of service for the user. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild, reducing immediate risk.
Mitigation Recommendations
A fix is available in Safari 26, iOS 26, iPadOS 26, and macOS Tahoe 26. Users and administrators should update affected Apple devices and Safari browsers to these versions or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the official software updates from Apple.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- apple
- Date Reserved
- 2025-04-16T15:24:37.114Z
- State
- PUBLISHED
Threat ID: 68c8aa70ee2781683eebd7cc
Added to database: 09/16/2025, 00:08:16 UTC
Last enriched: 05/13/2026, 02:33:48 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 156
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