CVE-2023-32373

HIGH KEV

Safari < 16.5 - Use-After-Free via Maliciously Crafted Web Content

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-32373 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added May 22, 2023.

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

References (8)

Core 8
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213757
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213758
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213761
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213762
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213764
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213765

Scores

CVSS v3 8.8
EPSS 0.0004
EPSS Percentile 12.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable no
Technical Impact total

Details

CISA KEV 2023-05-22
VulnCheck KEV 2023-05-01
InTheWild.io 2023-05-01
ENISA EUVD EUVD-2023-36617
CWE
CWE-416
Status published
Products (11)
apple/ipados < 15.7.6
apple/iphone_os 15.0 - 15.7.6
apple/macos < 13.4
apple/safari < 16.5
apple/tvos < 16.5
apple/watchos < 9.5
redhat/enterprise_linux 6.0
redhat/enterprise_linux 7.0
redhat/enterprise_linux 8.0
redhat/enterprise_linux 9.0
... and 1 more
Published Jun 23, 2023
KEV Added May 22, 2023
Tracked Since Feb 18, 2026