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Fencer Intel
high 8.8

CVE-2019-8556 json

A use after free issue was addressed with improved memory management.

published 6y ago modified 4mo ago also EUVD-2019-17946

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

Patch / fix

  • Apple iOS iOS 12.2
  • Apple tvOS tvOS 12.2
  • Apple Safari Safari 12.1
  • Apple iTunes for Windows iTunes 12.9.4 for Windows
  • Apple iCloud for Windows iCloud for Windows 7.11

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Exploit prediction

1.42% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

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
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Apple iOS
  • Apple tvOS
  • Apple Safari
  • Apple iTunes for Windows
  • Apple iCloud for Windows

Classification

Weakness

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.