Vulnerability · Published Jul 29, 2025 · Assigned by apple

CVE-2025-43209

Critical 9.8

In plain English

A critical-severity out-of-bounds write in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.0%top 36.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Affected products (as reported)

VendorProductVersions
Apple iOS and iPadOS 0 – before 18.6
Apple iPadOS 0 – before 17.7.9
Apple macOS 0 – before 13.7.70 – before 14.7.70 – before 15.6
Apple tvOS 0 – before 18.6
Apple visionOS 0 – before 2.6
Apple watchOS 0 – before 11.6

Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References