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CVE-2021-30665

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CVE-2021-30665

A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

11 retained evidence references · snapshot-bound · open authoritative view

StateSource-scoped evidence

Priority70.9–74.2

Coverage93.2%

Connections6

Choose an action.

Evidence state

identity unresolved
known present
evidence unknown

Snapshot-bound reason tuple

Evidence supportedfactor_a_kev

Eligible evidence is present for this bounded claim.

Revision: evidence-policy-v1.1.0
Cutoff: 2026-08-27T18:09:02.177Z
Resolution: None

Evidence supportedfactor_b_epss

Eligible evidence is present for this bounded claim.

Revision: evidence-policy-v1.1.0
Cutoff: 2026-08-27T18:09:02.177Z
Resolution: None

Evidence supportedfactor_c_cvss

Eligible evidence is present for this bounded claim.

Revision: casca-direct-cvss-eligibility-v1
Cutoff: 2026-08-27T18:09:02.177Z
Resolution: None

Source-reported scopefactor_d_breadth

The source assertion is retained, but its canonical identity is unresolved.

Revision: casca-factor-d-obligations-v1
Cutoff: 2026-08-27T18:09:02.177Z
Resolution: Resolve identity

Connections 6

has cited scope5 retained · stored CVE-2021-30665 → Apple · macOS

821a8164-860b-40eb-bfab-0f1667db652c8b1baac5-9185-4ac5-8aaf-f717fc0f6f42b73816bc-b014-4184-b07e-46f093cd346ecef02811-2281-4bc1-8bc2-8c64f5481e4fe8192cf2-a84a-46f4-b187-67524adb510e

has vulnerable target scope1 retained · stored CVE-2021-30665 → apple · watchos

a72270e8-ebcc-4f3b-b527-770d7797b233

has vulnerable target scope2 retained · stored CVE-2021-30665 → apple · iphone_os

5f9ac9f5-b13c-4669-923c-f31e590038a97055156f-b69f-42dc-94a6-db9671a0c43e

has vulnerable target scope1 retained · stored CVE-2021-30665 → apple · ipados

0f91445d-5406-4e90-845a-47b0fff1382b

has vulnerable target scope1 retained · stored CVE-2021-30665 → apple · macos

7cd55489-131a-49dc-bcfd-bc9d49e92ea9

has vulnerable target scope1 retained · stored CVE-2021-30665 → apple · tvos

5a7af050-9e35-477c-a6a2-5abaad4ae226

CVEProductSignalSelected / traceVisual proximity carries zero evidence weight.