Apple Safari/tvOS/visionOS/watchOS/iOS/iPadOS up to 26.0 Web Content use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple Safari, tvOS, visionOS, watchOS, iOS and iPadOS up to 26.0. This issue affects some unknown processing of the component Web Content Handler. Such manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2025-43432. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple Safari, tvOS, visionOS, watchOS, iOS and iPadOS up to 26.0. It has been rated as critical. Affected by this issue is an unknown part of the component Web Content Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is availability. CVE summarizes:

A use-after-free issue was addressed with improved memory management. This issue is fixed in tvOS 26.1, watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

The advisory is available at support.apple.com. This vulnerability is handled as CVE-2025-43432 since 04/16/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 12/18/2025).

The vulnerability scanner Nessus provides a plugin with the ID 276568 (Linux Distros Unpatched Vulnerability : CVE-2025-43432), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 26.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (276568), EUVD (EUVD-2025-37680) and CERT Bund (WID-SEC-2025-2480). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Apple Safari

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 276568
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-43432

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Safari/tvOS/visionOS/watchOS/iOS/iPadOS 26.1

Timelineinfo

04/16/2025 CVE reserved
11/04/2025 +202 days Advisory disclosed
11/04/2025 +0 days VulDB entry created
12/18/2025 +44 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2025-43432 (🔒)
GCVE (CVE): GCVE-0-2025-43432
GCVE (VulDB): GCVE-100-331082
EUVD: 🔒
CERT Bund: WID-SEC-2025-2480 - Apple Safari: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 11/04/2025 08:03
Updated: 12/18/2025 05:07
Changes: 11/04/2025 08:03 (57), 11/04/2025 20:11 (7), 11/15/2025 23:00 (1), 11/23/2025 07:21 (2), 12/18/2025 05:07 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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