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Fencer Vulns
medium 5.5

CVE-2019-8598 json

An input validation issue was addressed with improved input validation.

published 2019-12-18 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-17988

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
10.3%
EPSS 10.3% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. A malicious application may be able to read restricted memory.

Patch / fix

  • Apple iOS iOS 12.3
  • Apple macOS macOS Mojave 10.14.5
  • Apple tvOS tvOS 12.3
  • Apple watchOS watchOS 5.2.1
  • Apple iTunes for Windows iTunes for Windows 12.9.5
  • Apple iCloud for Windows iCloud for Windows 7.12

Exploit prediction

10.25% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • Apple iOS
  • Apple macOS
  • Apple tvOS
  • Apple watchOS
  • Apple iTunes for Windows
  • Apple iCloud for Windows

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.