SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2025-43539

Processing a file may lead to memory corruption.

HIGH 8.8EPSS 6.16%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing a file may lead to memory corruption.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
6.16% probability · 93th percentile
CISA KEV
Not listed
Weakness
CWE-787, CWE-119
Affected
apple/macos
Source
product-security@apple.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.