CVE-2025-43429 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Apple IOS AND Ipados

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-120 — Classic Buffer Overflow15 documents8 sources
Severity
4.3MEDIUMNVD
EPSS
0.1%
top 81.10%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
Apple IOS AND IpadosApple MacosApple Safari+5 more
Timeline
PublishedNov 4
Latest updateDec 8

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LExploitability: 2.8 | Impact: 1.4

Affected Packages12 packages

▶NVDapple/ipados< 26.1
▶CVEListV5apple/ios_and_ipados< 18.7.2+1
▶CVEListV5apple/tvos< 26.1
▶NVDapple/tvos< 26.1
▶CVEListV5apple/macos< 26.1

🔴Vulnerability Details

4
CVEList
CVE-2025-43429: A buffer overflow was addressed with improved bounds checking↗2025-11-04
▶
GHSA
GHSA-p2fp-xccv-vf5p: A buffer overflow was addressed with improved bounds checking↗2025-11-04
▶
OSV
CVE-2025-43429: A buffer overflow was addressed with improved bounds checking↗2025-11-04
▶
OSV
CVE-2025-43429: A buffer overflow was addressed with improved bounds checking↗2025-11-04
▶

📋Vendor Advisories

10
Ubuntu
WebKitGTK vulnerabilities↗2025-12-08
▶
Red Hat
webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash↗2025-11-20
▶
Apple
CVE-2025-43429: iOS 18.7.2 and iPadOS 18.7.2↗2025-11-05
▶
Apple
CVE-2025-43429: Safari 26.1↗2025-11-03
▶
Apple
CVE-2025-43429: visionOS 26.1↗2025-11-03
▶
CVE-2025-43429 — Apple IOS AND Ipados vulnerability | cvebase