VULNERABILITY INTELLIGENCE

CVE-2023-39434

CVSS score8.8 HIGH

EPSS probability1.65%

CISA KEVNot currently listed

Published2023-09-27

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Processing web content may lead to arbitrary code execution.

Weakness classification

nvd@nist.gov: CWE-416
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-416

Primary references

product-security@apple.com — Mailing List, Third Party Advisory
product-security@apple.com — Mailing List, Third Party Advisory
product-security@apple.com — Mailing List, Third Party Advisory
product-security@apple.com — Mailing List, Third Party Advisory
product-security@apple.com
product-security@apple.com — Release Notes, Vendor Advisory
product-security@apple.com — Release Notes, Vendor Advisory
product-security@apple.com — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory