VDB-308508 · CVE-2025-31223 · EUVD-2025-14642

Apple watchOS Web memory corruption

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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Apple watchOS and classified as critical. This affects an unknown part of the component Web Handler. The manipulation results in memory corruption. This vulnerability was named CVE-2025-31223. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple watchOS (the affected version is unknown). It has been classified as critical. Affected is an unknown code of the component Web Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The issue was addressed with improved checks. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to memory corruption.

The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2025-31223 since 03/27/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 303067 (Linux Distros Unpatched Vulnerability : CVE-2025-31223), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (303067), EUVD (EUVD-2025-14642) and CERT Bund (WID-SEC-2026-0782). Once again VulDB remains the best source for vulnerability data.

Affected

Debian Linux
Amazon Linux 2
Red Hat Enterprise Linux
Ubuntu Linux
SUSE Linux
Oracle Linux
RESF Rocky Linux
Open Source WebKitGTK

Productinfo

Type

Smartwatch Operating System

Vendor

Apple

Name

watchOS

License

commercial

Website

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

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

ADP CISA Base Score: 8.0
ADP CISA Vector: 🔍

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: Memory corruption
CWE: 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: 303067
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-31223

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/27/2025 🔍
05/13/2025 +46 days 🔍
05/13/2025 +0 days 🔍
06/30/2026 +413 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2025-31223 (🔍)
GCVE (CVE): GCVE-0-2025-31223
GCVE (VulDB): GCVE-100-308508
EUVD: 🔍
CERT Bund: WID-SEC-2026-0782 - WebKitGTK: Mehrere Schwachstellen

Entryinfo

Created: 05/13/2025 07:55
Updated: 06/30/2026 05:29
Changes: 05/13/2025 07:55 (54), 05/14/2025 13:59 (1), 05/28/2025 10:49 (1), 03/24/2026 21:11 (2), 04/23/2026 09:38 (7), 05/13/2026 09:51 (1), 06/30/2026 05:29 (12)
Complete: 🔍
Cache ID: 216::103