CVE-2025-43353 — Out-of-bounds Write in Apple Macos

CWE-787 — Out-of-bounds Write6 documents4 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 96.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Apple Macos
Timeline
PublishedSep 15
Latest updateSep 16

Description

The issue was addressed with improved bounds checks. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. Processing a maliciously crafted string may lead to heap corruption.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5apple/macos< 14.8+2
▶NVDapple/macos14.0 — 14.8+1

🔴Vulnerability Details

2
GHSA
GHSA-7jw3-5j8w-xj2r: The issue was addressed with improved bounds checks↗2025-09-16
▶
CVEList
CVE-2025-43353: The issue was addressed with improved bounds checks↗2025-09-15
▶

📋Vendor Advisories

3
Apple
CVE-2025-43353: macOS Sonoma 14.8↗2025-09-15
▶
Apple
CVE-2025-43353: macOS Sequoia 15.7↗2025-09-15
▶
Apple
CVE-2025-43353: macOS Tahoe 26↗2025-09-15
▶
CVE-2025-43353 — Out-of-bounds Write in Apple Macos | cvebase