CVE-2026-43712: Processing maliciously crafted web content may lead to an unexpected process crash in Apple Safari
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash.
AI Analysis
Technical Summary
This vulnerability in Apple Safari involves improper memory handling when processing specially crafted web content, leading to an unexpected process crash. It is identified by CVE-2026-43712 and is associated with CWE-787 (Out-of-bounds Write) and CWE-125 (Out-of-bounds Read). The issue has been fixed in Safari 26.5.2 and related OS updates including iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS versions 26.5.2 or 26.6. The CVSS v3.1 base score is 6.5, reflecting a medium severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impact limited to availability (process crash).
Potential Impact
Successful exploitation causes an unexpected crash of the Safari process, impacting availability but not confidentiality or integrity. There are no known exploits in the wild. The vulnerability could disrupt user browsing sessions or services relying on Safari rendering.
Mitigation Recommendations
A fix is available in Safari 26.5.2 and corresponding OS updates (iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6). Users and administrators should apply these updates to remediate the vulnerability. No additional mitigation steps are indicated.
CVE-2026-43712: Processing maliciously crafted web content may lead to an unexpected process crash in Apple Safari
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash.
CVSS v3.1
Score 6.5medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apple Safari involves improper memory handling when processing specially crafted web content, leading to an unexpected process crash. It is identified by CVE-2026-43712 and is associated with CWE-787 (Out-of-bounds Write) and CWE-125 (Out-of-bounds Read). The issue has been fixed in Safari 26.5.2 and related OS updates including iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS versions 26.5.2 or 26.6. The CVSS v3.1 base score is 6.5, reflecting a medium severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impact limited to availability (process crash).
Potential Impact
Successful exploitation causes an unexpected crash of the Safari process, impacting availability but not confidentiality or integrity. There are no known exploits in the wild. The vulnerability could disrupt user browsing sessions or services relying on Safari rendering.
Mitigation Recommendations
A fix is available in Safari 26.5.2 and corresponding OS updates (iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6). Users and administrators should apply these updates to remediate the vulnerability. No additional mitigation steps are indicated.
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: 6a42d3d327e9c7971972d05b
Added to database: 06/29/2026, 20:21:39 UTC
Last enriched: 07/30/2026, 00:55:32 UTC
Last updated: 08/11/2026, 12:41:10 UTC
Views: 51
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