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Fencer Vulns
high 7.8

CVE-2023-23504 json

The issue was addressed with improved memory handling.

published 2023-02-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27604

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits
0
none known

Summary

The issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.6.3, macOS Ventura 13.2, watchOS 9.3, iOS 15.7.3 and iPadOS 15.7.3, tvOS 16.3, iOS 16.3 and iPadOS 16.3. An app may be able to execute arbitrary code with kernel privileges.

Patch / fix

  • Apple iOS and iPadOS 15.7, 16.3
  • Apple tvOS 16.3
  • Apple macOS 12.6, 13.2
  • Apple watchOS 9.3

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
19 mo ago

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Apple iOS and iPadOS
  • Apple tvOS
  • Apple macOS
  • Apple watchOS

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.