CVE-2026-43676: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple Safari
An out-of-bounds access issue was addressed with improved bounds checking. 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 an out-of-bounds access in Apple Safari triggered by maliciously crafted web content, which can lead to an unexpected crash of the browser. The root cause was insufficient bounds checking, which has been corrected in the specified fixed versions of Safari and related Apple operating systems.
Potential Impact
The impact is limited to an unexpected crash of Safari when processing malicious web content. There is no information about code execution, data leakage, or other escalated impacts. 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 or later to remediate the vulnerability. Patch status is confirmed by the vendor advisory stating the issue is fixed in these versions.
CVE-2026-43676: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple Safari
Description
An out-of-bounds access issue was addressed with improved bounds checking. 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
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds access in Apple Safari triggered by maliciously crafted web content, which can lead to an unexpected crash of the browser. The root cause was insufficient bounds checking, which has been corrected in the specified fixed versions of Safari and related Apple operating systems.
Potential Impact
The impact is limited to an unexpected crash of Safari when processing malicious web content. There is no information about code execution, data leakage, or other escalated impacts. 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 or later to remediate the vulnerability. Patch status is confirmed by the vendor advisory stating the issue is fixed in these versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.641Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42d3d027e9c7971972c7b5
Added to database: 06/29/2026, 20:21:36 UTC
Last enriched: 06/29/2026, 20:52:20 UTC
Last updated: 06/30/2026, 00:48:36 UTC
Views: 5
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