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Fencer Intel
high 7.8

CVE-2019-6213 json

A buffer overflow was addressed with improved bounds checking.

published 7y ago modified 4mo ago also EUVD-2019-15780

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.4%
EPSS 5.4% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3. An application may be able to execute arbitrary code with kernel privileges.

Patch / fix

  • Apple iOS iOS 12.1.3
  • Apple macOS macOS Mojave 10.14.3
  • Apple tvOS tvOS 12.1.2
  • Apple watchOS watchOS 5.1.3

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Timeline

  1. First public exploit (EDB-46300)
  2. Published

Exploit prediction

5.42% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-46300 macOS < 10.14.3 / iOS < 12.1.3 - Kernel Heap Overflow in PF_KEY due to Lack of Bounds Checking when Retrieving Statistics dos, 2019-01-31

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • Apple iOS
  • Apple macOS
  • Apple tvOS
  • Apple watchOS

Classification

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

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.