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Fencer Vulns
high 8.8

CVE-2022-32893 kev in the critical feed json

An out-of-bounds write issue was addressed with improved bounds checking.

published 2022-08-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-35959

cvss
8.8
version 3.1, CNA
cisa kev
Exploited
added 2022-08-18
epss
9.9%
EPSS 9.9% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.6.1 and iPadOS 15.6.1, macOS Monterey 12.5.1, Safari 15.6.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Patch / fix

cisa required action Apply updates per vendor instructions.

  • Apple Safari 15.6
  • Apple iOS and iPadOS 15.6
  • Apple macOS 12.5
  • wpewebkit Debian 14, Debian 13, Debian 12 2.36.7-1
  • webkit2gtk Debian 14, Debian 13, Debian 12 2.36.7-1

debian advisories DEBIAN-CVE-2022-32893

  • webkit2gtk Ubuntu 20.04 LTS 2.36.7-0ubuntu0.20.04.1
  • webkit2gtk Ubuntu 22.04 LTS 2.36.7-0ubuntu0.22.04.1

ubuntu advisories UBUNTU-CVE-2022-32893

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_0
  • webkit2gtk3-jsc RHEL 9 2.36.7-1.el9_0
  • webkit2gtk3 RHEL 8 2.36.7-1.el8_6
  • webkit2gtk3-jsc RHEL 8 2.36.7-1.el8_6
  • 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-2022:6634RHSA-2022:6540

  • webkit2gtk3 SLES for SAP 15 SP1, SLES for SAP 15, SLES 15-LTSS +7 more 2.36.7-150000.3.112.2
  • webkit2gtk3 SLE Module for Desktop Applications 15 SP3, SLE Module for Basesystem 15 SP3, openSUSE Leap 15.4 +1 more 2.36.7-150200.44.1
  • webkit2gtk3 SLE Module for Desktop Applications 15 SP4, openSUSE Leap 15.4 2.36.7-150400.4.12.1
  • webkit2gtk4 SLE Module for Development Tools 15 SP4, openSUSE Leap 15.4 2.36.7-150400.4.12.1
  • webkit2gtk3-soup2 SLE Module for Basesystem 15 SP4, openSUSE Leap 15.4 2.36.7-150400.4.12.1
  • webkit2gtk3 SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +6 more 2.36.7-2.110.1

suse advisories SUSE-SU-2022:3352-1SUSE-SU-2022:3351-1SUSE-SU-2022:3137-1SUSE-SU-2022:3136-1

  • webkit2gtk3 AlmaLinux 9 2.36.7-1.el9_0
  • webkit2gtk3-jsc AlmaLinux 9 2.36.7-1.el9_0
  • webkit2gtk3 AlmaLinux 8 2.36.7-1.el8_6
  • webkit2gtk3-jsc AlmaLinux 8 2.36.7-1.el8_6

almalinux advisories ALSA-2022:6634ALSA-2022:6540

  • 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-2022:6634RLSA-2022:6540

  • wpewebkit Arch Linux 2.36.8-1

arch linux advisories AVG-2820

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-2022-32893 updated cvss 8.8

webkitgtk: processing maliciously crafted web content may lead 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_6, webkit2gtk3-jsc 2.36.7-1.el8_6
    fixed: vendor fix RHSA-2022:6540
  • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3 2.36.7-1.el9_0, webkit2gtk3-jsc 2.36.7-1.el9_0
    fixed: vendor fix RHSA-2022:6634
  • 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

Timeline

  1. 0-day patched (Project Zero)
  2. Added to CISA KEV
  3. Published
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
4 y ago
Patch by
2022-09-08 (4 y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions.
Vendor, product
Apple, iOS and macOS
CISA name
Apple iOS and macOS Out-of-Bounds Write Vulnerability

Zero-day

Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.

Patched
2022-08-17
Details
project zero tracker

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

9.93% chance of exploitation in the next 30 days, higher than 95% 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 Safari
  • Apple iOS and iPadOS
  • Apple macOS

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.