---
id: CVE-2026-20608
title: This issue was addressed through improved state management
summary: >-
  This issue was addressed through improved state management. This issue is
  fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3,
  macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content
  may lead …
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
  - CWE-120
vendor: apple
product: safari
affected:
  - safari < 26.3
  - ipados < 18.7.5
  - 'ipados >= 26.0, < 26.3'
  - iphone_os < 18.7.5
  - 'iphone_os >= 26.0, < 26.3'
  - macos < 26.3
  - visionos < 26.3
patched:
  - safari 26.3
  - ipados 26.3
  - iphone_os 26.3
  - macos 26.3
  - visionos 26.3
published: '2026-02-11'
updated: '2026-06-30'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-20608'
references:
  - url: 'https://support.apple.com/en-us/126346'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/126347'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/126348'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/126353'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/126354'
    label: product-security@apple.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:10702'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:11329'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:11814'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:13845'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:14659'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:16056'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:16695'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:19206'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:19535'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:22136'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:9692'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/security/cve/CVE-2026-20608'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2448789'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20608.json
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
tags:
  - nvd
epss: 0.00238
epssPercentile: 0.13265
ingestedAt: '2026-07-03T18:53:52.392Z'
---

## Overview

This issue was addressed through improved state management. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content may lead to an unexpected process crash.

## Affected

- `safari < 26.3`
- `ipados < 18.7.5`
- `ipados >= 26.0, < 26.3`
- `iphone_os < 18.7.5`
- `iphone_os >= 26.0, < 26.3`
- `macos < 26.3`
- `visionos < 26.3`

## Remediation

Upgrade past the affected range:

- `safari 26.3`
- `ipados 26.3`
- `iphone_os 26.3`
- `macos 26.3`
- `visionos 26.3`