CVE-2025-43376: A logic issue was addressed with improved state management
CVE-2025-43376 is a high-severity flaw (CVSS 7.5) affecting safari, ipados, iphone os. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A logic issue was addressed with improved state management. This issue is fixed in Safari 26, iOS 18.7.7 and iPadOS 18.7.7, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. A remote attacker may be able to view leaked DNS queries with Private Relay turned on.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.8% (top 43%) |
| CISA exploited list | No |
| Published | 2025-11-04 |
| Last modified | 2026-10-18 |
Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-43376?
safari: upgrade to 26.0; ipados: upgrade to 26.0; iphone os: upgrade to 26.0. Exact commands for each OS are on this page.
Is CVE-2025-43376 being exploited?
CVE-2025-43376 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-43376 affect?
CVE-2025-43376 affects safari, ipados, iphone os. Severity is high (CVSS 7.5). A logic issue was addressed with improved state management. This issue is fixed in Safari 26, iOS 18.7.7 and iPadOS 18.7.7, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. A remote attacker may be able to view leaked
How urgent is CVE-2025-43376?
Priority 46/100. High severity; Remotely exploitable, no login, no user action
Software pages
iOS vulnerabilities · macOS vulnerabilities · Safari vulnerabilities · Apple Safari and WebKit vulnerabilities · iPadOS vulnerabilities · watchOS vulnerabilities
Related CVEs
- CVE-2023-43000 HIGH 8.8 EXPLOITED UPGRADE UPGRADE Apple Multiple products Use-After-Free Vulnerability
- CVE-2026-43715 HIGH 8.8 UPGRADE UPGRADE A use-after-free issue was addressed with improved memory management
- CVE-2025-43342 CRITICAL 9.8 UPGRADE UPGRADE A correctness issue was addressed with improved checks
- CVE-2025-43343 CRITICAL 9.8 UPGRADE UPGRADE The issue was addressed with improved memory handling
- CVE-2025-43413 HIGH 7.5 UPGRADE UPGRADE An access issue was addressed with additional sandbox restrictions