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Fencer Vulns
medium 6.5

CVE-2026-43713 json

A permissions issue was addressed with additional restrictions.

published 2026-06-29 4 mo ago modified 2026-07-27 3 mo ago also EUVD-2026-40196

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

A permissions issue was addressed with additional restrictions. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Visiting a website may leak sensitive data.

Patch / fix

  • Apple Safari 26.5.2
  • Apple iOS and iPadOS 26.5.2
  • Apple macOS 26.5.2
  • Apple tvOS 26.6
  • Apple visionOS 26.6
  • Apple watchOS 26.6
  • wpewebkit Debian 14 2.52.5-1
  • webkit2gtk Debian 13 2.52.5-1~deb13u1
  • webkit2gtk Debian 14 2.52.5-1

debian advisories DEBIAN-CVE-2026-43713

  • webkit2gtk Ubuntu 24.04 LTS 2.52.6-0ubuntu0.24.04.1
  • webkit2gtk Ubuntu 26.04 LTS 2.52.6-0ubuntu0.26.04.1

ubuntu advisories UBUNTU-CVE-2026-43713

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 2.54.0-1.el8_10
  • webkit2gtk3-jsc RHEL 8 2.54.0-1.el8_10
  • webkit2gtk3 RHEL 8 2.52.5-1.el8_10
  • webkit2gtk3-jsc RHEL 8 2.52.5-1.el8_10
  • webkit2gtk3 RHEL 9 2.52.5-1.el9_8
  • webkit2gtk3-jsc RHEL 9 2.52.5-1.el9_8
  • webkit2gtk3 RHEL 8.6 EUS_LONG_LIFE, RHEL 8.6 AUS 2.52.5-1.el8_6
  • webkit2gtk3-jsc RHEL 8.6 EUS_LONG_LIFE, RHEL 8.6 AUS 2.52.5-1.el8_6

red hat advisories RHSA-2026:74084RHSA-2026:59325RHSA-2026:59326RHSA-2026:58564RHSA-2026:58550RHSA-2026:57348

  • webkit2gtk3 SLES 16.0, SLES for SAP applications 16.0 2.52.5-160000.1.1
  • webkit2gtk4 SLES 16.0, SLES for SAP applications 16.0 2.52.5-160000.1.1
  • webkit2gtk3 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +5 more 2.52.5-150400.4.146.1
  • webkit2gtk4 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +5 more 2.52.5-150400.4.146.1
  • webkit2gtk3-soup2 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +5 more 2.52.5-150400.4.146.1
  • webkit2gtk3 SLES for SAP 15 SP6, SLES 15 SP6-LTSS, SLE Module for Desktop Applications 15 SP7 2.52.5-150600.12.71.1
  • webkit2gtk4 SLES for SAP 15 SP6, SLES 15 SP6-LTSS, SLE Module for Development Tools 15 SP7 +1 more 2.52.5-150600.12.71.1
  • webkit2gtk3-soup2 SLES for SAP 15 SP6, SLES 15 SP6-LTSS, SLE Module for Basesystem 15 SP7 2.52.5-150600.12.71.1

suse advisories SUSE-SU-2026:3555-1SUSE-SU-2026:23111-1SUSE-SU-2026:23133-1SUSE-SU-2026:3396-1SUSE-SU-2026:3338-1

  • webkit2gtk3 openSUSE Leap 16.0 2.52.5-160000.1.1
  • webkit2gtk4 openSUSE Leap 16.0 2.52.5-160000.1.1
  • webkit2gtk3-soup2 openSUSE Leap 16.0 2.52.5-160000.1.1

opensuse advisories openSUSE-SU-2026:21508-1

  • webkit2gtk3 AlmaLinux 8 2.54.0-1.el8_10
  • webkit2gtk3-jsc AlmaLinux 8 2.54.0-1.el8_10
  • webkit2gtk3 AlmaLinux 9 2.52.5-1.el9_8
  • webkit2gtk3-jsc AlmaLinux 9 2.52.5-1.el9_8
  • webkit2gtk3 AlmaLinux 8 2.52.5-1.el8_10
  • webkit2gtk3-jsc AlmaLinux 8 2.52.5-1.el8_10

almalinux advisories ALSA-2026:74084ALSA-2026:42062ALSA-2026:42088

  • webkit2gtk3 Rocky Linux 8 2.54.0-1.el8_10
  • webkit2gtk3 Rocky Linux 9 2.52.5-1.el9_8
  • webkit2gtk3 Rocky Linux 8 2.52.5-1.el8_10

rocky linux advisories RLSA-2026:74084RLSA-2026:42062RLSA-2026:42088

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-2026-43713 updated cvss 6.5

webkitgtk: webkitgtk: Visiting a website may leak sensitive data

  • Red Hat Enterprise Linux 6 webkitgtk, pywebkitgtk Red Hat Enterprise Linux 7 webkitgtk3, libwebkit2gtk
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3 2.52.5-1.el8_10, webkit2gtk3 2.54.0-1.el8_10, webkit2gtk3-jsc 2.52.5-1.el8_10, webkit2gtk3-jsc 2.54.0-1.el8_10
    fixed: vendor fix RHSA-2026:42088
  • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3 2.52.5-1.el9_8, webkit2gtk3-jsc 2.52.5-1.el9_8
    fixed: vendor fix RHSA-2026:42062
  • Red Hat Enterprise Linux AppStream AUS (v.8.4) webkit2gtk3 2.52.5-1.el8_4, webkit2gtk3-jsc 2.52.5-1.el8_4
    fixed: vendor fix RHSA-2026:57348
  • Red Hat Enterprise Linux AppStream AUS (v.8.6) webkit2gtk3 2.52.5-1.el8_6, webkit2gtk3-jsc 2.52.5-1.el8_6
    fixed: vendor fix RHSA-2026:59325
  • Red Hat Enterprise Linux AppStream E4S (v.8.8) webkit2gtk3 2.52.5-1.el8_8, webkit2gtk3-jsc 2.52.5-1.el8_8
    fixed: vendor fix RHSA-2026:59326
  • Red Hat Enterprise Linux AppStream E4S (v.9.2) webkit2gtk3 2.52.5-1.el9_2, webkit2gtk3-jsc 2.52.5-1.el9_2
    fixed: vendor fix RHSA-2026:58550
  • Red Hat Enterprise Linux AppStream E4S (v.9.4) webkit2gtk3 2.52.5-1.el9_4, webkit2gtk3-jsc 2.52.5-1.el9_4
    fixed: vendor fix RHSA-2026:54634
show 5 more
  • Red Hat Enterprise Linux AppStream EUS (v.9.6) webkit2gtk3 2.52.5-1.el9_6, webkit2gtk3-jsc 2.52.5-1.el9_6
    fixed: vendor fix RHSA-2026:54572
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) webkit2gtk3 2.52.5-1.el8_4, webkit2gtk3-jsc 2.52.5-1.el8_4
    fixed: vendor fix RHSA-2026:57348
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) webkit2gtk3 2.52.5-1.el8_6, webkit2gtk3-jsc 2.52.5-1.el8_6
    fixed: vendor fix RHSA-2026:59325
  • Red Hat Enterprise Linux AppStream TUS (v.8.8) webkit2gtk3 2.52.5-1.el8_8, webkit2gtk3-jsc 2.52.5-1.el8_8
    fixed: vendor fix RHSA-2026:59326
  • Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4 2.52.5-1.el7_9, webkitgtk4-jsc 2.52.5-1.el7_9 Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-doc 2.52.5-1.el7_9, webkitgtk4-devel 2.52.5-1.el7_9, webkitgtk4-debuginfo 2.52.5-1.el7_9, webkitgtk4-jsc-devel 2.52.5-1.el7_9
    fixed: vendor fix RHSA-2026:58564

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
partial
Assessed
4 mo ago

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CNA 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 iOS and iPadOS
  • Apple macOS
  • Apple tvOS
  • Apple visionOS
  • Apple watchOS

Classification

Weakness

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.