Apple tvOS Web memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Apple tvOS. Affected is an unknown function of the component Web Handler. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2025-31273. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple tvOS (affected version not known). Affected by this issue is some unknown functionality of the component Web Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, iOS 18.6 and iPadOS 18.6, tvOS 18.6, watchOS 11.6, visionOS 2.6. Processing maliciously crafted web content may lead to memory corruption.

The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2025-31273 since 03/27/2025. 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. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/31/2025).

The vulnerability scanner Nessus provides a plugin with the ID 243030 (macOS 15.x < 15.6 Multiple Vulnerabilities (124149)), 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 (243030) and CERT Bund (WID-SEC-2025-1683). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Apple Safari

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

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Nessus ID: 243030
Nessus Name: macOS 15.x < 15.6 Multiple Vulnerabilities (124149)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/27/2025 🔍
07/30/2025 +124 days 🔍
07/30/2025 +0 days 🔍
07/31/2025 +1 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2025-31273 (🔍)
GCVE (CVE): GCVE-0-2025-31273
GCVE (VulDB): GCVE-100-318152
CERT Bund: WID-SEC-2025-1683 - Apple Safari: Mehrere Schwachstellen

Entryinfo

Created: 07/30/2025 08:18
Updated: 07/31/2025 10:20
Changes: 07/30/2025 08:18 (54), 07/30/2025 13:21 (1), 07/30/2025 20:51 (2), 07/31/2025 10:20 (7)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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