CVE-2025-43501CWE-120CWE-787

CVE-2025-43501

Medium · published December 18, 2025

CVSS v3.1

4.3

EPSS

Percentile

55.2

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 4.3 · MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS v4.0: Not supplied
EPSS: 0.00773 · 55.2th percentile
Weaknesses: CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'); CWE-787 · Out-of-bounds Write
Published: 2025-12-18T02:16Z

Affected products (7)

Product	Versions	Fixed in
apple/safari	< 26.2	26.2
apple/ipados	< 18.7.3	18.7.3
apple/ipados	≥ 26.0, < 26.2	26.2
apple/iphone_os	< 18.7.3	18.7.3
apple/iphone_os	≥ 26.0, < 26.2	26.2
apple/macos	< 26.2	26.2
apple/visionos	< 26.2	26.2

References (5)

https://support.apple.com/en-us/125884 · [email protected]https://support.apple.com/en-us/125885 · [email protected]https://support.apple.com/en-us/125886 · [email protected]https://support.apple.com/en-us/125891 · [email protected]https://support.apple.com/en-us/125892 · [email protected]

EPSS history

Timeline

17 DEC 20:46Z
A buffer overflow issue was addressed with improved memory handling
cvelistv5