---
id: CVE-2024-27820
title: The issue was addressed with improved memory handling
summary: >-
  The issue was addressed with improved memory handling. This issue is fixed in
  Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS
  Sonoma 14.5, tvOS 17.5, visionOS 1.2, watchOS 10.5. Processing web content may
  lead …
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'
cvssSource: adp
vendor: Apple
product: Safari
affected:
  - Safari < 17.5
  - ios_and_ipados < 16.7.8
  - ios_and_ipados < 17.5
  - macOS < 14.5
  - tvOS < 17.5
  - visionOS < 1.2
  - watchOS < 10.5
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2024-06-14T03:56:10.268580Z'
published: '2024-06-10'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T23:55:22.593Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2024-27820'
references:
  - url: 'https://support.apple.com/en-us/120896'
  - url: 'https://support.apple.com/en-us/120898'
  - url: 'https://support.apple.com/en-us/120901'
  - url: 'https://support.apple.com/en-us/120902'
  - url: 'https://support.apple.com/en-us/120903'
  - url: 'https://support.apple.com/en-us/120905'
  - url: 'https://support.apple.com/en-us/120906'
tags:
  - cve.org
epss: 0.01016
epssPercentile: 0.63395
ingestedAt: '2026-11-05T20:33:06.636Z'
---

## Overview

The issue was addressed with improved memory handling. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, visionOS 1.2, watchOS 10.5. Processing web content may lead to arbitrary code execution.

## Affected

- `Safari < 17.5`
- `ios_and_ipados < 16.7.8`
- `ios_and_ipados < 17.5`
- `macOS < 14.5`
- `tvOS < 17.5`
- `visionOS < 1.2`
- `watchOS < 10.5`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.