CVE-2026-43658: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple iOS and iPadOS
CVE-2026-43658 is a vulnerability in Apple iOS and iPadOS where processing maliciously crafted web content may cause Safari to crash unexpectedly. The issue stems from improper memory handling. Apple has fixed this vulnerability in iOS 26. 5 and iPadOS 26. 5, along with updates to other Apple operating systems. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability involves Safari on Apple iOS and iPadOS platforms crashing unexpectedly when processing specially crafted web content due to a memory handling flaw. The issue has been addressed by Apple through improved memory management in iOS 26.5 and iPadOS 26.5 updates. Other Apple OS versions including macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5 also include the fix. No CVSS score is assigned, and no public exploits are known.
Potential Impact
Successful exploitation causes Safari to crash unexpectedly, which may disrupt user activity but does not indicate further compromise or data loss based on the available information. There are no reports of exploitation in the wild.
Mitigation Recommendations
Apple has released official fixes in iOS 26.5 and iPadOS 26.5 to address this vulnerability. Users and administrators should apply these updates to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-43658: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple iOS and iPadOS
Description
CVE-2026-43658 is a vulnerability in Apple iOS and iPadOS where processing maliciously crafted web content may cause Safari to crash unexpectedly. The issue stems from improper memory handling. Apple has fixed this vulnerability in iOS 26. 5 and iPadOS 26. 5, along with updates to other Apple operating systems. There are no known exploits in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves Safari on Apple iOS and iPadOS platforms crashing unexpectedly when processing specially crafted web content due to a memory handling flaw. The issue has been addressed by Apple through improved memory management in iOS 26.5 and iPadOS 26.5 updates. Other Apple OS versions including macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5 also include the fix. No CVSS score is assigned, and no public exploits are known.
Potential Impact
Successful exploitation causes Safari to crash unexpectedly, which may disrupt user activity but does not indicate further compromise or data loss based on the available information. There are no reports of exploitation in the wild.
Mitigation Recommendations
Apple has released official fixes in iOS 26.5 and iPadOS 26.5 to address this vulnerability. Users and administrators should apply these updates to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.639Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a028769cbff5d86108b6e01
Added to database: 5/12/2026, 1:50:33 AM
Last enriched: 5/12/2026, 2:07:01 AM
Last updated: 5/12/2026, 2:54:12 AM
Views: 2
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