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Fencer Vulns
medium 6.5

CVE-2023-38599 json

A logic issue was addressed with improved state management.

published 2023-07-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-42398

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

A logic issue was addressed with improved state management. This issue is fixed in Safari 16.6, watchOS 9.6, iOS 15.7.8 and iPadOS 15.7.8, tvOS 16.6, iOS 16.6 and iPadOS 16.6, macOS Ventura 13.5. A website may be able to track sensitive user information.

Patch / fix

  • Apple Safari 16.6
  • Apple tvOS 16.6
  • Apple iOS and iPadOS 15.7, 16.6
  • Apple macOS 13.5
  • Apple watchOS 9.6
  • wpewebkit Debian 14, Debian 13 2.40.5-1
  • webkit2gtk Debian 12 2.40.5-1~deb12u1
  • webkit2gtk Debian 14, Debian 13 2.40.5-1

debian advisories DEBIAN-CVE-2023-38599

  • webkit2gtk Ubuntu 22.04 LTS 2.40.5-0ubuntu0.22.04.1

ubuntu advisories UBUNTU-CVE-2023-38599

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

  • webkit2gtk3 RHEL 8 2.40.5-1.el8
  • webkit2gtk3-jsc RHEL 8 2.40.5-1.el8
  • webkit2gtk3 RHEL 9 2.40.5-1.el9
  • webkit2gtk3-jsc RHEL 9 2.40.5-1.el9
  • webkitgtk4 RHEL 7 ELS 2.48.3-2.el7_9
  • webkitgtk4-jsc RHEL 7 ELS 2.48.3-2.el7_9

red hat advisories RHSA-2025:10364RHSA-2023:7055RHSA-2023:6535

  • webkit2gtk3 SLE Module for Desktop Applications 15 SP5, SLE Module for Desktop Applications 15 SP4, openSUSE Leap 15.5 +1 more 2.40.5-150400.4.51.1
  • webkit2gtk4 SLE Module for Development Tools 15 SP5, SLE Module for Development Tools 15 SP4, openSUSE Leap 15.5 +1 more 2.40.5-150400.4.51.1
  • webkit2gtk3-soup2 SLE Module for Basesystem 15 SP5, SLE Module for Basesystem 15 SP4, openSUSE Leap 15.5 +1 more 2.40.5-150400.4.51.1
  • webkit2gtk3 SLE Module for Desktop Applications 15 SP5, SLE Module for Desktop Applications 15 SP4, openSUSE Leap 15.5 +1 more 2.40.5-150400.4.45.3
  • webkit2gtk4 SLE Module for Development Tools 15 SP5, SLE Module for Development Tools 15 SP4, openSUSE Leap 15.5 +1 more 2.40.5-150400.4.45.3
  • webkit2gtk3-soup2 SLE Module for Basesystem 15 SP5, SLE Module for Basesystem 15 SP4, openSUSE Leap 15.5 +1 more 2.40.5-150400.4.45.3
  • webkit2gtk3 SLES for SAP 12 SP5, SLES 12 SP5, SLES 12 SP2-BCL +2 more 2.40.5-2.146.1
  • webkit2gtk3 SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES 15 SP3-LTSS +7 more 2.40.5-150200.78.1

suse advisories SUSE-SU-2023:3753-1SUSE-SU-2023:3419-1SUSE-SU-2023:3300-1SUSE-SU-2023:3237-1SUSE-SU-2023:3233-1

  • webkit2gtk3 AlmaLinux 8 2.40.5-1.el8
  • webkit2gtk3-jsc AlmaLinux 8 2.40.5-1.el8
  • webkit2gtk3 AlmaLinux 9 2.40.5-1.el9
  • webkit2gtk3-jsc AlmaLinux 9 2.40.5-1.el9

almalinux advisories ALSA-2023:7055ALSA-2023:6535

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-2023-38599 updated cvss 6.5

webkitgtk: track sensitive user information

  • Red Hat Enterprise Linux 6 webkitgtk Red Hat Enterprise Linux 7 webkitgtk3, libwebkit2gtk
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3 2.40.5-1.el8, webkit2gtk3-jsc 2.40.5-1.el8
    fixed: vendor fix RHSA-2023:7055
  • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3 2.40.5-1.el9, webkit2gtk3-jsc 2.40.5-1.el9
    fixed: vendor fix RHSA-2023:6535
  • Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4 2.48.3-2.el7_9, webkitgtk4-jsc 2.48.3-2.el7_9 Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-doc 2.48.3-2.el7_9, webkitgtk4-devel 2.48.3-2.el7_9, webkitgtk4-debuginfo 2.48.3-2.el7_9, webkitgtk4-jsc-devel 2.48.3-2.el7_9
    fixed: vendor fix RHSA-2025:10364

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

1.04% chance of exploitation in the next 30 days, higher than 64% 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

Affected products

  • Apple Safari
  • Apple tvOS
  • Apple iOS and iPadOS
  • Apple macOS
  • Apple watchOS

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.