CVE-2025-43501

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.

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: 0.08%• Percentile: 23%

Techniques & Countermeasures

• CWE-787•Out-of-bounds Write

  The product writes data past the end, or before the beginning, of the intended buffer.

• CWE-120•Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

  The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Affected Systems

• Unknown•iOS and iPadOS

  ≥ unspecified, < 18.7 | ≥ unspecified, < 26.2 | < 18.7.3 | < 26.2

• apple•ipados

  < 18.7.3 | ≥ 26.0, < 26.2

• apple•iphone_os

  < 18.7.3 | ≥ 26.0, < 26.2

• Unknown•macOS

  ≥ unspecified, < 26.2 | < 26.2

• apple•safari

  ≥ unspecified, < 26.2 | < 26.2

• apple•visionos

  ≥ unspecified, < 26.2 | < 26.2

References (5)

• https://support.apple.com/en-us/125885
• https://support.apple.com/en-us/125892
• https://support.apple.com/en-us/125884
• https://support.apple.com/en-us/125891
• https://support.apple.com/en-us/125886