CVEvulnerability

CVE-2023-43000

8.8 HIGH Known exploited Published 2025-11-05 Modified 2026-10-28 Official page ↗

CISA Known Exploited Vulnerability

Apple Multiple products Use-After-Free Vulnerability — Apple Multiple Products

Apple macOS, iOS, iPadOS, and Safari 16.6 contain a use-after-free vulnerability due to the processing of maliciously crafted web content that may lead to memory corruption.

Added to KEV
2026-03-05
Remediation due
2026-03-26
Ransomware use
Unknown
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://support.apple.com/en-us/120324 ; https://support.apple.com/en-us/120331 ; https://support.apple.com/en-us/120338 ; https://nvd.nist.gov/vuln/detail/CVE-2023-43000
Status
Analyzed
Published
2025-11-05
Last modified
2026-10-28
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-416

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

Affected configurations

• apple safari (< 16.6) • apple ipados (< 15.8.7) • apple ipados (>= 16.0 < 16.6) • apple iphone os (< 15.8.7) • apple iphone os (>= 16.0 < 16.6) • apple macos (< 13.5)

Related

Weakness · CWE (1)

References