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Fencer Vulns
critical 9.1

CVE-2024-54507 json

A type confusion issue was addressed with improved memory handling.

published 2025-01-27 21 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-52606

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 18.2 and iPadOS 18.2, macOS Sequoia 15.2. An attacker with user privileges may be able to read kernel memory.

Patch / fix

  • Apple iOS and iPadOS 18.2
  • Apple macOS 15.2

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

  • Apple iOS and iPadOS
  • Apple macOS

Classification

Weakness
  • CWE-125 Out-of-bounds Read
  • CWE-843 Access of Resource Using Incompatible Type

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.