SecuriTricks - CVE-2023-43000

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. Processing maliciously crafted web content may lead to memory corruption.

Product(s) Impacted

Vendor	Product	Versions
Apple	Macos Ios Ipad Os Safari	13.5 16.6 16.6 16.6

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-416

Use After Free

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
o	apple	macos	13.5	/	/	/	/	/	/	/
o	apple	ios	16.6	/	/	/	/	/	/	/
o	apple	ipad_os	16.6	/	/	/	/	/	/	/
a	apple	safari	16.6	/	/	/	/	/	/	/

References

https://support.apple.com/en-us/120324

https://support.apple.com/en-us/120331

https://support.apple.com/en-us/120338

CVSS Score

8.8 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH

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

View Vector String

Timeline

Published: Nov. 5, 2025, 7:15 p.m.
Last Modified: Nov. 6, 2025, 7:45 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

product-security@apple.com

CVE-2023-43000