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Fencer Vulns
medium 6.5

CVE-2023-42849 json

The issue was addressed with improved memory handling.

published 2023-10-25 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47270

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS 17.1, macOS Monterey 12.7.1, watchOS 10.1, iOS 16.7.2 and iPadOS 16.7.2, macOS Ventura 13.6.1, macOS Sonoma 14.1. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.

Patch / fix

  • Apple iOS and iPadOS 16.7, 17.1
  • Apple macOS 12.7, 13.6, 14.1
  • Apple watchOS 10.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.54% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected products

  • Apple iOS and iPadOS
  • Apple macOS
  • Apple watchOS

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.