HarborGuard / CVE
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HIGHCVE-2026-20611Published Modified CNA apple

CVE-2026-20611: An out-of-bounds access issue was addressed with improved bounds checking

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

Metrics

CVSS v3.1
7.8
Severity
HIGH
Fixed in
14.8.4
Affected Products
5

Fix available

14.8.415.7.418.7.526.3
Affected packages
  • Apple / iOS and iPadOS
    < 18.7.5 (from 0) · < 26.3 (from 0)
  • Apple / macOS
    < 14.8.4 (from 0) · < 15.7.4 (from 0) · < 26.3 (from 0)
  • Apple / tvOS
    < 26.3 (from 0)
  • Apple / visionOS
    < 26.3 (from 0)
  • Apple / watchOS
    < 26.3 (from 0)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References