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Fencer Vulns
medium 6.5

CVE-2016-1858 json

WebKit, as used in Apple iOS before 9.3.2, Safari before 9.1.1, and tvOS before 9.2.1, improperly tracks taint attributes, which allows rem…

published 2016-05-20 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-2953

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

WebKit, as used in Apple iOS before 9.3.2, Safari before 9.1.1, and tvOS before 9.2.1, improperly tracks taint attributes, which allows remote attackers to obtain sensitive information via a crafted web site.

Patch / fix

  • apple safari 9.1.1
  • webkitgtk webkitgtk+ 2.12.0
  • apple iphone_os 9.3.2
  • apple tvos 9.2.1
  • webkit2gtk Ubuntu 16.04 LTS 2.12.5-0ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2016-1858

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Exploit prediction

2.17% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/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

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

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.