CVE-2026-28979: Processing maliciously crafted web content may lead to an unexpected process 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, 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 involves an out-of-bounds access in Apple Safari, which can be triggered by processing specially crafted web content. The flaw could lead to an unexpected process crash, impacting the availability of the browser process. Apple fixed this issue by improving bounds checking in Safari 26.5.2 and corresponding OS releases including iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, and watchOS 26.6. There is no indication of confidentiality or integrity impact, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation results in an unexpected crash of the Safari process, causing denial of service (availability impact). There is no impact on confidentiality or integrity according to the CVSS vector and description.
Mitigation Recommendations
A fix is available in Safari 26.5.2 and the corresponding Apple OS versions (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 update to these versions to remediate the vulnerability. Patch status is confirmed by the vendor advisory stating the issue is fixed in these versions.
CVE-2026-28979: Processing maliciously crafted web content may lead to an unexpected process 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, 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 involves an out-of-bounds access in Apple Safari, which can be triggered by processing specially crafted web content. The flaw could lead to an unexpected process crash, impacting the availability of the browser process. Apple fixed this issue by improving bounds checking in Safari 26.5.2 and corresponding OS releases including iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, and watchOS 26.6. There is no indication of confidentiality or integrity impact, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation results in an unexpected crash of the Safari process, causing denial of service (availability impact). There is no impact on confidentiality or integrity according to the CVSS vector and description.
Mitigation Recommendations
A fix is available in Safari 26.5.2 and the corresponding Apple OS versions (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 update to these versions 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
- 2026-03-03T16:36:03.993Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42d3d027e9c7971972c799
Added to database: 06/29/2026, 20:21:36 UTC
Last enriched: 07/30/2026, 00:52:59 UTC
Last updated: 08/10/2026, 00:41:15 UTC
Views: 87
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