Apple tvOS up to 16.4.1 WebKit out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Apple tvOS up to 16.4.1. Impacted is an unknown function of the component WebKit. The manipulation leads to out-of-bounds. This vulnerability is listed as CVE-2023-32402. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple tvOS up to 16.4.1 (Digital Media Player). It has been rated as problematic. This issue affects some unknown functionality of the component WebKit. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality.

The weakness was presented 05/18/2023 as HT213761 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2023-32402. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:

Processing web content may disclose sensitive information

The vulnerability scanner Nessus provides a plugin with the ID 212173 (Apple Safari 16.5 Multiple Vulnerabilities (102735)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 16.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

An out-of-bounds read was addressed with improved input validation.

The vulnerability is also documented in the databases at Tenable (212173) and EUVD (EUVD-2023-36646). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Digital Media Player

Vendor

Apple

Name

tvOS

Version

License

commercial

Website

Vendor: https://www.apple.com/

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 212173
Nessus Name: Apple Safari 16.5 Multiple Vulnerabilities (102735)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: tvOS 16.5

Timelineinfo

05/08/2023 🔍
05/18/2023 +10 days 🔍
05/18/2023 +0 days 🔍
05/20/2023 +2 days 🔍
01/02/2026 +958 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213761
Status: Confirmed

CVE: CVE-2023-32402 (🔍)
GCVE (CVE): GCVE-0-2023-32402
GCVE (VulDB): GCVE-100-229553
EUVD: 🔍

Entryinfo

Created: 05/20/2023 08:22
Updated: 01/02/2026 08:37
Changes: 05/20/2023 08:22 (18), 05/20/2023 08:25 (27), 06/15/2023 08:55 (1), 12/09/2024 18:44 (17), 04/26/2025 15:16 (3), 01/02/2026 08:37 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.