CVE-2025-43494 Details
Description
A mail header parsing issue was addressed with improved checks. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. An attacker may be able to cause a persistent denial-of-service.
A denial-of-service vulnerability has been identified in multiple Apple products, including watchOS 26.1, iOS 18.7.2 and iPadOS 18.7.2, macOS Tahoe 26.1, visionOS 26.1, macOS Sonoma 14.8.2, and macOS Sequoia 15.7.2. This vulnerability arises from a mail header parsing issue, which could allow an attacker to cause a persistent denial-of-service.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Dec 16, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.apple.com/en-us/125632 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/125633 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/125634 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/125635 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/125636 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/125638 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/125639 | [email protected] | Release NotesVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-20 | Improper Input Validation | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple ipados | < 18.7.2 26.0 |
CPE
Remediation
| |
| apple iphone os | < 18.7.2 26.0 |
CPE
Remediation
| |
| apple macos | >= 14.0, < 14.8.2 >= 15.0, < 15.7.2 26.0 |
CPE
Remediation
| |
| apple visionos | < 26.1 |
CPE
Remediation
| |
| apple watchos | < 26.1 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 2, 2026 | CVE Modified | [email protected] |
| Dec 16, 2025 | Initial Analysis | [email protected] |
| Dec 15, 2025 | CVE Modified | CISA-ADP |
| Dec 12, 2025 | New CVE Received | [email protected] |