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High 8.8Known exploited (CISA KEV)Published Jun 23, 2023

CVE-2023-32373A use-after-free issue was addressed with improved memory management.

Updated under an hour ago ()

Does this affect you?

It affects Apple macOS and 8 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since May 22, 2023; federal agencies had to remediate by Jun 12, 2023. Treat that date as your deadline.

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.

CVSS
8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-416
Known exploited
Added to CISA KEV May 22, 2023; federal remediation due Jun 12, 2023Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days)
12.17% (percentile 96)
Assigned by
apple
NVD analysis
Analyzed
Record last updated
Oct 21, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Apple macOS
apple:macos (from the name)
from unspecified before 13.4
CNA record
Apple Safari
apple:safari (from the name)
from unspecified before 16.5
CNA record
Apple watchOS
apple:watchos (from the name)
from unspecified before 9.5
CNA record
Apple iOS and iPadOS
apple:ios_and_ipados (from the name)
from unspecified before 15.7
CNA record
Apple tvOS
apple:tvos (from the name)
from unspecified before 16.5
CNA record
apple safari
apple:safari
before 16.5
NVD
apple ipados
apple:ipados
before 15.7.6; from 16.0 before 16.5
NVD
apple iphone_os
apple:iphone_os
from 15.0 before 15.7.6; from 16.0 before 16.5
NVD
apple macos
apple:macos
before 13.4
NVD
apple tvos
apple:tvos
before 16.5
NVD
apple watchos
apple:watchos
before 9.5
NVD
redhat enterprise_linux
redhat:enterprise_linux
6.0; 7.0; 8.0; 9.0
NVD
webkitgtk webkitgtk+
webkitgtk:webkitgtk+
before 2.42.3
NVD

References

  • release-notes, vendor-advisory
  • release-notes, vendor-advisory
  • release-notes, vendor-advisory
  • release-notes, vendor-advisory
  • release-notes, vendor-advisory
  • release-notes, vendor-advisory
  • third-party-advisory
  • us-government-resource

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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