high 8.8

CVE-2022-26719 json

A memory corruption issue was addressed with improved state management.

published 2022-11-01 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-31269

cvss: 8.8; version 3.1, CNA
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

A memory corruption issue was addressed with improved state management. This issue is fixed in tvOS 15.5, iOS 15.5 and iPadOS 15.5, watchOS 8.6, macOS Monterey 12.4, Safari 15.5. Processing maliciously crafted web content may lead to arbitrary code execution.

Patch / fix

fixed in 2 distros 7

Apple macOS 12.4, 15.5
Apple watchOS 8.6, 15.5

debian ubuntu red hat suse almalinux rocky linux arch linux

wpewebkit Debian 14, Debian 13, Debian 12 2.36.3-1
webkit2gtk Debian 14, Debian 13, Debian 12 2.36.3-1

debian advisories DEBIAN-CVE-2022-26719

webkit2gtk Ubuntu 20.04 LTS 2.36.3-0ubuntu0.20.04.1
webkit2gtk Ubuntu 22.04 LTS 2.36.3-0ubuntu0.22.04.1

ubuntu advisories UBUNTU-CVE-2022-26719

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 9 2.36.7-1.el9
webkit2gtk3-jsc RHEL 9 2.36.7-1.el9
webkit2gtk3 RHEL 8 2.36.7-1.el8
glib2 RHEL 8 2.56.4-159.el8
glib2-fam RHEL 8 2.56.4-159.el8
glib2-tests RHEL 8 2.56.4-159.el8
webkit2gtk3-jsc RHEL 8 2.36.7-1.el8
webkitgtk4 RHEL 7 ELS 2.48.3-2.el7_9

red hat advisories RHSA-2025:10364 RHSA-2022:8054 RHSA-2022:7704

webkit2gtk3 SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +11 more 2.36.3-2.99.1
webkit2gtk3 SLES for SAP 15 SP2, SLES 15 SP2-LTSS, SLES 15 SP2-BCL +10 more 2.36.3-150200.35.1
webkit2gtk3 SLE Module for Desktop Applications 15 SP4, openSUSE Leap 15.4 2.36.3-150400.4.3.1
webkit2gtk4 SLE Module for Development Tools 15 SP4, openSUSE Leap 15.4 2.36.3-150400.4.3.1
webkit2gtk3-soup2 SLE Module for Basesystem 15 SP4, openSUSE Leap 15.4 2.36.3-150400.4.3.1
webkit2gtk3 SLES for SAP 15 SP1, SLES for SAP 15, SLES 15-LTSS +7 more 2.36.3-150000.3.103.1

suse advisories SUSE-SU-2022:2089-1 SUSE-SU-2022:2072-1 SUSE-SU-2022:2071-1 SUSE-SU-2022:2030-1

webkit2gtk3 AlmaLinux 9 2.36.7-1.el9
webkit2gtk3-jsc AlmaLinux 9 2.36.7-1.el9
webkit2gtk3 AlmaLinux 8 2.36.7-1.el8
webkit2gtk3-jsc AlmaLinux 8 2.36.7-1.el8

almalinux advisories ALSA-2022:8054 ALSA-2022:7704

webkit2gtk3 Rocky Linux 9 2.36.7-1.el9_0
webkit2gtk3 Rocky Linux 9 2.36.7-1.el9_1.1
webkit2gtk3 Rocky Linux 8 2.36.7-1.el8_6

rocky linux advisories RLSA-2022:8054 RLSA-2022:7704

wpewebkit Arch Linux 2.36.3-1

arch linux advisories AVG-2759

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-2022-26719 updated 2026-11-05 cvss 8.8

webkitgtk: Memory corruption issue leading to arbitrary code execution

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 2.36.7-1.el8, webkit2gtk3-jsc 2.36.7-1.el8
fixed: vendor fix RHSA-2022:7704
Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3 2.36.7-1.el9, webkit2gtk3-jsc 2.36.7-1.el9
fixed: vendor fix RHSA-2022:8054
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 CodeReady Linux Builder (v. 8) glib2-doc 2.56.4-159.el8, glib2-static 2.56.4-159.el8, glib2-debuginfo 2.56.4-159.el8, glib2-debugsource 2.56.4-159.el8, glib2-fam-debuginfo 2.56.4-159.el8, glib2-devel-debuginfo 2.56.4-159.el8, +1 more Red Hat Enterprise Linux BaseOS (v. 8) glib2 2.56.4-159.el8, glib2-fam 2.56.4-159.el8, glib2-tests 2.56.4-159.el8
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

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 18 mo ago (2025-05-06)

Exploit prediction

1.24% 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
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Apple macOS
Apple watchOS

Classification

Weakness

CWE-787 Out-of-bounds Write

References

support.apple.com /en-us/HT213258
release-notes, vendor-advisory
support.apple.com /en-us/HT213253
release-notes, vendor-advisory
support.apple.com /en-us/HT213254
release-notes, vendor-advisory
support.apple.com /en-us/HT213257
release-notes, vendor-advisory
support.apple.com /en-us/HT213260
release-notes, vendor-advisory

Sources

CVE List CVE-2022-26719
NVD CVE-2022-26719

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.

Summary