CVE-2026-43720: 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 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. 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 that may lead to an unexpected crash when handling specially crafted web content. Apple fixed the issue by improving memory management in Safari version 26.5.2 and corresponding OS versions. The vulnerability does not have an assigned CVSS score, and no public exploit is known.
Potential Impact
Successful exploitation results in an unexpected crash of Safari, potentially disrupting user browsing sessions. There is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
A fix is available in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. Users and administrators should update to these versions to remediate the vulnerability.
CVE-2026-43720: 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 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.
CVSS v3.1
Score 6.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in Apple Safari that may lead to an unexpected crash when handling specially crafted web content. Apple fixed the issue by improving memory management in Safari version 26.5.2 and corresponding OS versions. The vulnerability does not have an assigned CVSS score, and no public exploit is known.
Potential Impact
Successful exploitation results in an unexpected crash of Safari, potentially disrupting user browsing sessions. There is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
A fix is available in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. Users and administrators should update to these versions to remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.645Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42d3d327e9c7971972d079
Added to database: 06/29/2026, 20:21:39 UTC
Last enriched: 06/29/2026, 20:37:43 UTC
Last updated: 06/29/2026, 22:06:43 UTC
Views: 2
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