CVE-2025-43429

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

CVSS Metrics

• v3.1•MEDIUM•Score: 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

EPSS Trends

Current EPSS score: 0.04%• Percentile: 14%

Techniques & Countermeasures

• CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer

  The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Affected Systems

• Unknown•iOS and iPadOS

  ≥ unspecified, < 26.1 | ≥ unspecified, < 18.7 | < 18.7.2 | < 26.1

• apple•ipados

  < 26.1

• apple•iphone_os

  < 26.1

• Unknown•macOS

  ≥ unspecified, < 26.1 | < 26.1

• apple•safari

  ≥ unspecified, < 26.1 | < 26.1

• apple•tvos

  ≥ unspecified, < 26.1 | < 26.1

• apple•visionos

  ≥ unspecified, < 26.1 | < 26.1

• apple•watchos

  ≥ unspecified, < 26.1 | < 26.1

References (7)

• https://support.apple.com/en-us/125640
• https://support.apple.com/en-us/125637
• https://support.apple.com/en-us/125634
• https://support.apple.com/en-us/125638
• https://support.apple.com/en-us/125639
• https://support.apple.com/en-us/125632
• https://support.apple.com/en-us/125633