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Fencer Vulns
high 8.1

CVE-2024-23263 json

A logic issue was addressed with improved validation.

published 2024-03-08 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-20782

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

A logic issue was addressed with improved validation. This issue is fixed in Safari 17.4, iOS 16.7.6 and iPadOS 16.7.6, iOS 17.4 and iPadOS 17.4, macOS Sonoma 14.4, tvOS 17.4, visionOS 1.1, watchOS 10.4. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.

Patch / fix

  • Apple Safari 17.4
  • Apple iOS and iPadOS 16.7.6, 17.4
  • Apple macOS 14.4
  • Apple tvOS 17.4
  • Apple visionOS 1.1
  • Apple watchOS 10.4
  • apple iphone_os 16.7.6, 17.4
  • apple ipad_os 16.7.6, 17.4
  • webkitgtk webkitgtk 2.45.2
  • wpewebkit Debian 14, Debian 13 2.44.1-1
  • webkit2gtk Debian 12 2.44.1-1~deb12u1
  • webkit2gtk Debian 14, Debian 13 2.44.0-1

debian advisories DEBIAN-CVE-2024-23263

  • webkit2gtk Ubuntu 22.04 LTS 2.44.0-0ubuntu0.22.04.1

ubuntu advisories UBUNTU-CVE-2024-23263

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 2.46.3-2.el8_10
  • webkit2gtk3-jsc RHEL 8 2.46.3-2.el8_10
  • webkit2gtk3 RHEL 9 2.46.1-2.el9_4
  • webkit2gtk3-jsc RHEL 9 2.46.1-2.el9_4
  • 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-2024:10481RHSA-2024:8180

  • webkit2gtk3 SLES for SAP 12 SP5, SLES 12 SP5, SLE Workstation Extension 12 SP5 +1 more 2.44.2-4.7.1
  • webkit2gtk3 SLE Module for Desktop Applications 15 SP6, openSUSE Leap 15.6 2.44.2-150600.12.3.1
  • webkit2gtk4 SLE Module for Development Tools 15 SP6, SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 2.44.2-150600.12.3.1
  • webkit2gtk3-soup2 SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 2.44.2-150600.12.3.1
  • webkit2gtk3 SLES for SAP 12 SP5, SLES 12 SP5, SLE Workstation Extension 12 SP5 +1 more 2.44.0-4.3.2
  • webkit2gtk3 SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Module for Desktop Applications 15 SP5 +3 more 2.44.0-150400.4.78.1
  • webkit2gtk4 SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Module for Development Tools 15 SP5 +3 more 2.44.0-150400.4.78.1
  • webkit2gtk3-soup2 SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Module for Basesystem 15 SP5 +5 more 2.44.0-150400.4.78.1

suse advisories SUSE-SU-2024:1976-1SUSE-SU-2024:1944-1SUSE-SU-2024:1293-1SUSE-SU-2024:1270-1SUSE-SU-2024:1269-1

  • webkit2gtk3 AlmaLinux 8 2.46.3-2.el8_10
  • webkit2gtk3-jsc AlmaLinux 8 2.46.3-2.el8_10

almalinux advisories ALSA-2024:10481

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-2024-23263 updated cvss 6.5

webkit: processing malicious web content prevents Content Security Policy from being enforced

  • 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 2.46.3-2.el8_10, webkit2gtk3-jsc 2.46.3-2.el8_10
    fixed: vendor fix RHSA-2024:10481
  • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3 2.46.1-2.el9_4, webkit2gtk3-jsc 2.46.1-2.el9_4
    fixed: vendor fix RHSA-2024:8180
  • 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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected products

  • Apple Safari
  • Apple iOS and iPadOS
  • Apple macOS
  • Apple tvOS
  • Apple visionOS
  • Apple watchOS
  • apple iphone_os
  • apple ipad_os
  • webkitgtk webkitgtk

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.