CVE-2025-43353

MEDIUM

macOS < 14.8, < 15.7, < 26 - Out-of-bounds Write via Maliciously Crafted String

Title source: llm
STIX 2.1

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.

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