CVE-2025-43501

Medium

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.

SeverityMedium
CVSS4.3
Exploit probability—
ProductApple Safari
PublishedDec 17, 2025
First seenDec 17, 2025
Weakness typeCWE-120CWE-120

How to fix

Update
  • apple safari26.2 or later
  • apple ipados18.7.3, 26.2 or later
  • apple iphone_os18.7.3, 26.2 or later
  • apple macos26.2 or later
  • apple visionos26.2 or later

Affected products

ProductAffected versionsFixed in
apple safariv < 26.226.2
apple ipadosv < 18.7.3, 26.0 ≤ v < 26.218.7.3, 26.2
apple iphone_osv < 18.7.3, 26.0 ≤ v < 26.218.7.3, 26.2
apple macosv < 26.226.2
apple visionosv < 26.226.2

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CVE-2025-43501 · Apple Safari · Dark Radar