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Fencer Intel
medium 6.8

CVE-2014-4459 json

Use-after-free vulnerability in WebKit, as used in Apple OS X before 10.10.1, allows remote attackers to execute arbitrary code via crafted…

published 2014-11-18 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-4386

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.6%
EPSS 4.6% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

Use-after-free vulnerability in WebKit, as used in Apple OS X before 10.10.1, allows remote attackers to execute arbitrary code via crafted page objects in an HTML document.

Patch / fix

  • apple safari 6.2.1, 7.1.1, 8.0.1
  • apple itunes 12.2
  • apple mac_os_x 10.10.1
  • apple iphone_os 8.1.3
  • apple tvos 7.0.3

Exploit prediction

4.58% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

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.