CVE-2026-39872

MEDIUM

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

Title source: rule
STIX 2.1

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 lead to an unexpected process crash.

Scores

CVSS v3 6.5
EPSS 0.0019
EPSS Percentile 9.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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 < 26.5.2
Apple/Safari < 26.5.2
apple/safari < 26.5.2
Published Jun 29, 2026
Tracked Since Jun 30, 2026