CVE-2026-43740

MEDIUM

Apple Safari - Improper Restriction of Operations within the Bounds of a Memory Buffer

Title source: rule

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may result in the disclosure of process memory.

References (3)

Core 3

Core References

https://support.apple.com/en-us/127594

https://support.apple.com/en-us/127595

https://support.apple.com/en-us/127685

Scores

CVSS v3 6.5

EPSS 0.0020

EPSS Percentile 10.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-119 CWE-416

Status published

Products (7)

Apple/iOS and iPadOS < 26.5.2

apple/ipados < 26.5.2

apple/iphone_os < 26.5.2

Apple/macOS < 26.5.2

apple/macos 26.0 - 26.5.2

Apple/Safari < 26.5.2

apple/safari < 26.5.2

Published Jun 29, 2026

Tracked Since Jun 30, 2026