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Fencer Vulns
medium 5.9

CVE-2024-27815 json

An out-of-bounds write issue was addressed with improved input validation.

published 2024-06-10 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-25008

cvss
5.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, visionOS 1.2, watchOS 10.5. An app may be able to execute arbitrary code with kernel privileges.

Patch / fix

  • Apple iOS and iPadOS 17.5
  • Apple macOS 14.5
  • Apple tvOS 17.5
  • Apple visionOS 1.2
  • Apple watchOS 10.5
  • apple ios 17.5
  • apple ipados 17.5

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

2.05% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
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 5.9 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

Affected products

  • Apple iOS and iPadOS
  • Apple macOS
  • Apple tvOS
  • Apple visionOS
  • Apple watchOS
  • apple ios
  • apple ipados

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.