CVE-2025-43376
Apple Safari DNS Query Leak
Description
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.
INFO
Published Date :
Nov. 4, 2025, 2:15 a.m.
Last Modified :
Nov. 5, 2025, 5:42 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-43376
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update iOS and iPadOS to version 26.
- Update Safari to version 26.
- Update tvOS and watchOS to version 26.
- Update visionOS to version 26.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-43376.
| URL | Resource |
|---|---|
| https://support.apple.com/en-us/125108 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/125113 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/125114 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/125115 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/125116 | Release Notes Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-43376 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-43376
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-43376 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-43376 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Nov. 05, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 26.0 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 26.0 *cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* versions up to (excluding) 26.0 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 26.0 *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 26.0 Added Reference Type Apple Inc.: https://support.apple.com/en-us/125108 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/125113 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/125114 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/125115 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/125116 Types: Release Notes, Vendor Advisory -
New CVE Received by [email protected]
Nov. 04, 2025
Action Type Old Value New Value Added Description 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. Added Reference https://support.apple.com/en-us/125108 Added Reference https://support.apple.com/en-us/125113 Added Reference https://support.apple.com/en-us/125114 Added Reference https://support.apple.com/en-us/125115 Added Reference https://support.apple.com/en-us/125116