CVE-2026-43709: Processing maliciously crafted web content may lead to an unexpected process 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 process crash.
AI Analysis
Technical Summary
CVE-2026-43709 is a use-after-free vulnerability in Apple Safari that may lead to an unexpected process crash when handling specially crafted web content. The issue was addressed by improving memory management and fixed in Safari 26.5.2 and corresponding OS versions. No further technical details or exploitation methods are provided.
Potential Impact
Processing maliciously crafted web content may cause Safari to crash unexpectedly, potentially disrupting user activity. There is no indication of code execution or data compromise. No known exploits in the wild have been reported.
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-2026-43709: Processing maliciously crafted web content may lead to an unexpected process 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 process crash.
CVSS v3.1
Score 6.5medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43709 is a use-after-free vulnerability in Apple Safari that may lead to an unexpected process crash when handling specially crafted web content. The issue was addressed by improving memory management and fixed in Safari 26.5.2 and corresponding OS versions. No further technical details or exploitation methods are provided.
Potential Impact
Processing maliciously crafted web content may cause Safari to crash unexpectedly, potentially disrupting user activity. There is no indication of code execution or data compromise. No known exploits in the wild have been reported.
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
- 2026-05-01T22:46:21.644Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42d3d227e9c7971972cf0c
Added to database: 06/29/2026, 20:21:38 UTC
Last enriched: 06/29/2026, 20:51:23 UTC
Last updated: 06/29/2026, 22:06:57 UTC
Views: 3
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