CVE-2025-43209 — Out-of-bounds Write in Apple IOS AND Ipados

CWE-787 — Out-of-bounds Write11 documents4 sources
Severity
9.8CRITICALNVD
EPSS
0.2%
top 57.27%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOS AND IpadosApple IpadosApple Macos+4 more
Timeline
PublishedJul 30

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages12 packages

▶CVEListV5apple/macos< 14.7.7+2
▶NVDapple/macos14.0 — 14.7.7+2
▶CVEListV5apple/ipados< 17.7.9
▶NVDapple/ipados18.0 — 18.6+1
▶CVEListV5apple/ios_and_ipados< 18.6

🔴Vulnerability Details

2
GHSA
GHSA-fjxj-4w75-9x8h: An out-of-bounds access issue was addressed with improved bounds checking↗2025-07-30
▶
CVEList
CVE-2025-43209: An out-of-bounds access issue was addressed with improved bounds checking↗2025-07-29
▶

📋Vendor Advisories

8
Apple
CVE-2025-43209: macOS Sequoia 15.6↗2025-07-29
▶
Apple
CVE-2025-43209: visionOS 2.6↗2025-07-29
▶
Apple
CVE-2025-43209: tvOS 18.6↗2025-07-29
▶
Apple
CVE-2025-43209: watchOS 11.6↗2025-07-29
▶
Apple
CVE-2025-43209: iOS 18.6 and iPadOS 18.6↗2025-07-29
▶
CVE-2025-43209 — Out-of-bounds Write in Apple | cvebase