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Fencer Vulns
high 8.8

CVE-2017-2466 json

An issue was discovered in certain Apple products.

published 2017-04-02 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-11649

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.8%
EPSS 6.8% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. tvOS before 10.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

Patch / fix

  • webkit2gtk Debian 14, Debian 13, Debian 12 2.14.6-1

debian advisories DEBIAN-CVE-2017-2466

  • webkit2gtk Ubuntu 16.04 LTS 2.16.1-0ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2017-2466

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

Timeline

  1. Published
  2. First public exploit (EDB-41812)

Exploit prediction

6.84% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-41812 Apple WebKit - 'ComposedTreeIterator::traverseNextInShadowTree' Use-After-Free dos, 2017-04-04

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/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

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.