CVE-2026-28942: 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, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
AI Analysis
Technical Summary
CVE-2026-28942 is a use-after-free vulnerability (CWE-416) in Apple Safari's web content processing engine. When Safari processes specially crafted web content, it may trigger a memory management flaw leading to an unexpected crash of the browser. This vulnerability was fixed by improved memory management in Safari 26.5, iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5. Red Hat's security advisories for WebKitGTK+ packages also address this vulnerability in their respective distributions. The CVSS v3.1 base score is 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H), reflecting a network attack vector with low complexity, no privileges required, user interaction needed, unchanged scope, no confidentiality or integrity impact, but high impact on availability due to crashes.
Potential Impact
The vulnerability allows remote attackers to cause denial of service by crashing Safari when it processes maliciously crafted web content. There is no direct impact on confidentiality or integrity. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A fix is available and has been released in Safari 26.5 and corresponding OS versions (iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5). Users and administrators should update affected Safari and OS versions to these fixed releases. For Red Hat Enterprise Linux 7 Extended Lifecycle Support, updated WebKitGTK+ packages addressing this vulnerability are available and should be applied. Patch status is confirmed by vendor advisories. No additional mitigations are indicated.
CVE-2026-28942: 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, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-28942 is a use-after-free vulnerability (CWE-416) in Apple Safari's web content processing engine. When Safari processes specially crafted web content, it may trigger a memory management flaw leading to an unexpected crash of the browser. This vulnerability was fixed by improved memory management in Safari 26.5, iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5. Red Hat's security advisories for WebKitGTK+ packages also address this vulnerability in their respective distributions. The CVSS v3.1 base score is 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H), reflecting a network attack vector with low complexity, no privileges required, user interaction needed, unchanged scope, no confidentiality or integrity impact, but high impact on availability due to crashes.
Potential Impact
The vulnerability allows remote attackers to cause denial of service by crashing Safari when it processes maliciously crafted web content. There is no direct impact on confidentiality or integrity. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A fix is available and has been released in Safari 26.5 and corresponding OS versions (iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5). Users and administrators should update affected Safari and OS versions to these fixed releases. For Red Hat Enterprise Linux 7 Extended Lifecycle Support, updated WebKitGTK+ packages addressing this vulnerability are available and should be applied. Patch status is confirmed by vendor advisories. No additional mitigations are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-03-03T16:36:03.989Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-28942","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2026:27728","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2026:25918","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2026:27785","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2026:28114","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2026:27804","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2026:28148","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2026:28146","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2026:28147","vendor":"Red Hat"},{"url":"https://access.redhat.com/errata/RHSA-2026:25927","vendor":"Red Hat"}]
Threat ID: 6a028755cbff5d86108b5948
Added to database: 05/12/2026, 01:50:13 UTC
Last enriched: 07/15/2026, 13:28:00 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 123
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