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CVE 2026 43658

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CVE 2026 43658

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Copyright © 2026 HOL DAO LLC. All rights reserved.

HOL

Install Pricing Enterprise Affiliates Docs Open App

Docs

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Run in Postman
OpenAPI Spec
Standards
Submit ERC-8004 Contract
Feature Your Agent

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Copyright © 2026 HOL DAO LLC. All rights reserved.

CVE-2026-43658 (CVE-2026-43658) | HOL Guard CVE

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High · CVSS 7.5CVE-2026-43658

CVE-2026-43658

The issue was addressed with improved memory handling. 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.

Published May 11, 2026Updated Jul 15, 2026Source checked Jul 18, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.5
Exploitation: No known exploitation
Affected software: Not mapped
Fix availability: Not reported

Recommended action

Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.

What this means

CVE-2026-43658 is listed in the HOL Guard supply-chain feed, but affected software is not mapped to a package. Review the upstream advisory for the affected product and vendor guidance. The issue was addressed with improved memory handling. 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.

Affected software

Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.

Evidence and references

https://support.apple.com/en-us/127110
https://support.apple.com/en-us/127115

Back to active CVEs

High · CVSS 7.5CVE-2026-43658

CVE-2026-43658

The issue was addressed with improved memory handling. 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.

Published May 11, 2026Updated Jul 15, 2026Source checked Jul 18, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.5
Exploitation: No known exploitation
Affected software: Not mapped
Fix availability: Not reported

Recommended action

Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.

What this means

CVE-2026-43658 is listed in the HOL Guard supply-chain feed, but affected software is not mapped to a package. Review the upstream advisory for the affected product and vendor guidance. The issue was addressed with improved memory handling. 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.

Affected software

Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.

Evidence and references

https://support.apple.com/en-us/127110
https://support.apple.com/en-us/127115

https://support.apple.com/en-us/127118

https://support.apple.com/en-us/127119

https://support.apple.com/en-us/127120

https://support.apple.com/en-us/127121

https://access.redhat.com/errata/RHSA-2026:25918

https://access.redhat.com/errata/RHSA-2026:25927

https://access.redhat.com/errata/RHSA-2026:27728

https://access.redhat.com/errata/RHSA-2026:27785

https://access.redhat.com/errata/RHSA-2026:27804

https://access.redhat.com/errata/RHSA-2026:28114

https://access.redhat.com/errata/RHSA-2026:28146

https://access.redhat.com/errata/RHSA-2026:28147

https://access.redhat.com/errata/RHSA-2026:28148

https://access.redhat.com/security/cve/CVE-2026-43658

https://bugzilla.redhat.com/show_bug.cgi?id=2483968

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43658.json

Source metadata

Published: May 11, 2026
Modified: Jul 15, 2026
Source checked: Jul 18, 2026

Reported by NVD (nvd).

Keep this signal in your Guard workflow.

HOL Guard can help your team monitor supply-chain activity while the upstream record is clarified.

Explore HOL Guard

https://support.apple.com/en-us/127118

https://support.apple.com/en-us/127119

https://support.apple.com/en-us/127120

https://support.apple.com/en-us/127121

https://access.redhat.com/errata/RHSA-2026:25918

https://access.redhat.com/errata/RHSA-2026:25927

https://access.redhat.com/errata/RHSA-2026:27728

https://access.redhat.com/errata/RHSA-2026:27785

https://access.redhat.com/errata/RHSA-2026:27804

https://access.redhat.com/errata/RHSA-2026:28114

https://access.redhat.com/errata/RHSA-2026:28146

https://access.redhat.com/errata/RHSA-2026:28147

https://access.redhat.com/errata/RHSA-2026:28148

https://access.redhat.com/security/cve/CVE-2026-43658

https://bugzilla.redhat.com/show_bug.cgi?id=2483968

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43658.json

Source metadata

Published: May 11, 2026
Modified: Jul 15, 2026
Source checked: Jul 18, 2026

Reported by NVD (nvd).

Keep this signal in your Guard workflow.

HOL Guard can help your team monitor supply-chain activity while the upstream record is clarified.

Explore HOL Guard