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Fencer Vulns
high 8.8

CVE-2023-38590 json

A buffer overflow issue was addressed with improved memory handling.

published 2023-07-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-42389

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in watchOS 9.6, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Monterey 12.6.8, tvOS 16.6, iOS 16.6 and iPadOS 16.6, macOS Ventura 13.5. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

Patch / fix

  • Apple tvOS 16.6
  • Apple iOS and iPadOS 15.7, 16.6
  • Apple macOS 11.7, 12.6, 13.5
  • Apple watchOS 9.6

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

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

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

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.