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Fencer Intel
medium 4.3

CVE-2025-43374 json

An out-of-bounds read was addressed with improved bounds checking.

published 11mo ago modified 22d ago also EUVD-2025-198518

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 11%
public exploits
0
none known

Summary

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7, macOS Sequoia 15.5, macOS Sonoma 14.7.3, macOS Ventura 13.7.3, tvOS 18.5, visionOS 2.5, watchOS 11.5. An attacker in physical proximity may be able to cause an out-of-bounds read in kernel memory.

Patch / fix

  • Apple iOS and iPadOS 18.5
  • Apple iPadOS 17.7.7
  • Apple macOS 13.7.3, 14.7.3, 15.5
  • Apple tvOS 18.5
  • Apple visionOS 2.5
  • Apple watchOS 11.5

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
11mo ago

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.3 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 3.1 4.3 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

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

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow

References

Sources

Fencer Intel 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.