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Fencer Vulns
medium 6.5

CVE-2019-8515 json

A cross-origin issue existed with the fetch API.

published 2019-12-18 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-17905

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

A cross-origin issue existed with the fetch API. This was addressed with improved input validation. 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 disclose sensitive user information.

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
  • webkit2gtk Debian 14, Debian 13, Debian 12 2.24.1-1

debian advisories DEBIAN-CVE-2019-8515

  • webkit2gtk Ubuntu 18.04 LTS 2.22.6-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2019-8515

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

  • webkitgtk4 RHEL 7 2.22.7-2.el7
  • webkitgtk4-jsc RHEL 7 2.22.7-2.el7
  • webkitgtk4-plugin-process-gtk2 RHEL 7 2.22.7-2.el7

red hat advisories RHBA-2019:2261

  • webkit2gtk3 SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES for SAP 12 SP2 +12 more 2.24.1-2.41.5
  • webkit2gtk3 SLE Module for Desktop Applications 15, SLE Module for Basesystem 15 2.24.1-3.24.1

suse advisories SUSE-SU-2019:1155-1SUSE-SU-2019:1137-1

  • webkit2gtk3 openSUSE Leap 15.0 2.24.1-lp150.2.19.1

opensuse advisories openSUSE-SU-2019:1374-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-8515 updated cvss 4.3

webkitgtk: malicious crafted web content leads to information disclosure

  • Red Hat Enterprise Linux 6 webkitgtk
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 webkitgtk3, libwebkit2gtk
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) webkitgtk4 2.22.7-2.el7, webkitgtk4-jsc 2.22.7-2.el7, webkitgtk4-plugin-process-gtk2 2.22.7-2.el7 Red Hat Enterprise Linux Client Optional (v. 7) webkitgtk4-doc 2.22.7-2.el7, webkitgtk4-devel 2.22.7-2.el7, webkitgtk4-debuginfo 2.22.7-2.el7, webkitgtk4-jsc-devel 2.22.7-2.el7 Red Hat Enterprise Linux ComputeNode (v. 7) webkitgtk4 2.22.7-2.el7, webkitgtk4-jsc 2.22.7-2.el7, webkitgtk4-plugin-process-gtk2 2.22.7-2.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) webkitgtk4-doc 2.22.7-2.el7, webkitgtk4-devel 2.22.7-2.el7, webkitgtk4-debuginfo 2.22.7-2.el7, webkitgtk4-jsc-devel 2.22.7-2.el7 Red Hat Enterprise Linux Server (v. 7) webkitgtk4 2.22.7-2.el7, webkitgtk4-jsc 2.22.7-2.el7, webkitgtk4-plugin-process-gtk2 2.22.7-2.el7 Red Hat Enterprise Linux Server Optional (v. 7) webkitgtk4-doc 2.22.7-2.el7, webkitgtk4-devel 2.22.7-2.el7, webkitgtk4-debuginfo 2.22.7-2.el7, webkitgtk4-jsc-devel 2.22.7-2.el7
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 7) webkitgtk4 2.22.7-2.el7, webkitgtk4-jsc 2.22.7-2.el7, webkitgtk4-plugin-process-gtk2 2.22.7-2.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) webkitgtk4-doc 2.22.7-2.el7
    fixed: vendor fix RHBA-2019:2261
  • Red Hat Enterprise Linux 8 webkit2gtk3, webkit2gtk3-jsc, webkit2gtk3-plugin-process-gtk2
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/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

Affected products

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

Classification

Weakness
  • CWE-20 Improper Input Validation

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.