Apple iOS/iPadOS/Safari/tvOS/visionOS/watchOS prior 26.0 Private Relay information disclosure

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 (≈)
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CTI Interest Score
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5.5$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Apple iOS, iPadOS, Safari, tvOS, visionOS and watchOS and classified as problematic. This issue affects some unknown processing of the component Private Relay Handler. Performing a manipulation results in information disclosure. This vulnerability is known as CVE-2025-43376. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apple iOS, iPadOS, Safari, tvOS, visionOS and watchOS. This affects an unknown part of the component Private Relay Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

A logic issue was addressed with improved state management. This issue is fixed in Safari 26, tvOS 26, watchOS 26, iOS 26 and iPadOS 26, visionOS 26. A remote attacker may be able to view leaked DNS queries with Private Relay turned on.

The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2025-43376 since 04/16/2025. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/11/2025). MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 26.0 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: iOS/iPadOS/Safari/tvOS/visionOS/watchOS 26.0

Timelineinfo

04/16/2025 CVE reserved
11/04/2025 +202 days Advisory disclosed
11/04/2025 +0 days VulDB entry created
12/11/2025 +37 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2025-43376 (🔒)
GCVE (CVE): GCVE-0-2025-43376
GCVE (VulDB): GCVE-100-331005
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 11/04/2025 07:20
Updated: 12/11/2025 02:18
Changes: 11/04/2025 07:20 (56), 12/11/2025 02:18 (11)
Complete: 🔍
Cache ID: 216::103

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