8.8
HIGH CVSS 3.1
CVE-2025-43433
Safari Memory Corruption Vulnerability
Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2. Processing maliciously crafted web content may lead to memory corruption.

INFO

Published Date :

Nov. 4, 2025, 2:15 a.m.

Last Modified :

Nov. 5, 2025, 7:15 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-43433 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple iphone_os
2 Apple tvos
3 Apple watchos
4 Apple safari
5 Apple ipados
6 Apple visionos
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update to the latest version to fix memory corruption vulnerabilities.
  • Update Safari to version 26.1.
  • Update visionOS to version 26.1.
  • Update watchOS to version 26.1.
  • Update iOS and iPadOS to version 26.1.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-43433.

URL Resource
https://support.apple.com/en-us/125633
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-43433 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-43433 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-43433 vulnerability anywhere in the article.

  • The Hacker News
Google’s AI ‘Big Sleep’ Finds 5 New Vulnerabilities in Apple’s Safari WebKit

Nov 04, 2025Ravie LakshmananArtificial Intelligence / Vulnerability Google's artificial intelligence (AI)-powered cybersecurity agent called Big Sleep has been credited by Apple for discovering as m ... Read more

Published Date: Nov 04, 2025 (2 days, 13 hours ago)

The following table lists the changes that have been made to the CVE-2025-43433 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Nov. 05, 2025

    Action Type Old Value New Value
    Changed Description The issue was addressed with improved memory handling. This issue is fixed in Safari 26.1, visionOS 26.1, watchOS 26.1, iOS 26.1 and iPadOS 26.1, tvOS 26.1. Processing maliciously crafted web content may lead to memory corruption. The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2. Processing maliciously crafted web content may lead to memory corruption.
    Added Reference https://support.apple.com/en-us/125633
    Removed Reference https://support.apple.com/en-us/125632
    Removed Reference https://support.apple.com/en-us/125637
    Removed Reference https://support.apple.com/en-us/125638
    Removed Reference https://support.apple.com/en-us/125639
    Removed Reference https://support.apple.com/en-us/125640
    Removed Reference Type https://support.apple.com/en-us/125632 Types: Release Notes, Vendor Advisory
    Removed Reference Type https://support.apple.com/en-us/125637 Types: Release Notes, Vendor Advisory
    Removed Reference Type https://support.apple.com/en-us/125638 Types: Release Notes, Vendor Advisory
    Removed Reference Type https://support.apple.com/en-us/125639 Types: Release Notes, Vendor Advisory
    Removed Reference Type https://support.apple.com/en-us/125640 Types: Release Notes, Vendor Advisory
  • Initial Analysis by [email protected]

    Nov. 05, 2025

    Action Type Old Value New Value
    Added CWE CWE-787
    Added CPE Configuration OR *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 26.1 *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 26.1 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 26.1 *cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* versions up to (excluding) 26.1 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 26.1 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 26.1
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/125632 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/125637 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/125638 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/125639 Types: Release Notes, Vendor Advisory
    Added Reference Type Apple Inc.: https://support.apple.com/en-us/125640 Types: Release Notes, Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Nov. 04, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • New CVE Received by [email protected]

    Nov. 04, 2025

    Action Type Old Value New Value
    Added Description The issue was addressed with improved memory handling. This issue is fixed in Safari 26.1, visionOS 26.1, watchOS 26.1, iOS 26.1 and iPadOS 26.1, tvOS 26.1. Processing maliciously crafted web content may lead to memory corruption.
    Added Reference https://support.apple.com/en-us/125632
    Added Reference https://support.apple.com/en-us/125637
    Added Reference https://support.apple.com/en-us/125638
    Added Reference https://support.apple.com/en-us/125639
    Added Reference https://support.apple.com/en-us/125640
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact