CVE-2025-43353
MEDIUMmacOS < 14.8, < 15.7, < 26 - Out-of-bounds Write via Maliciously Crafted String
Title source: llmDescription
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.
References (6)
Core 6
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125111
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125112
Mailing List
http://seclists.org/fulldisclosure/2025/Sep/53
Mailing List
http://seclists.org/fulldisclosure/2025/Sep/54
Mailing List
http://seclists.org/fulldisclosure/2025/Sep/55
Scores
CVSS v3
5.5
EPSS
0.0001
EPSS Percentile
3.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-787
Status
published
Products (4)
Apple/macOS
< 14.8
Apple/macOS
< 15.7
Apple/macOS
< 26
apple/macos
14.0 - 14.8
Published
Sep 15, 2025
Tracked Since
Feb 18, 2026