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Fencer Vulns
high 8.8

CVE-2023-41993 kev in the critical feed json

The issue was addressed with improved checks.

published 2023-09-21 3 y ago modified 2026-09-08 2 mo ago also BIT-java-2023-41993 , BIT-java-min-2023-41993 , BIT-jre-2023-41993 , EUVD-2023-46452

cvss
8.8
version 3.1, CNA
cisa kev
Exploited
added 2023-09-25
epss
23.7%
EPSS 23.7% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.

Patch / fix

cisa required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  • bitnami java 1.8.0, 8.0.411
  • bitnami java-min 1.8.0, 8.0.411
  • bitnami jre 1.8.0, 8.0.411
  • Apple macOS 14, 14.0
  • apple iphone_os 17.0.1
  • apple ipad_os 17.0.1
  • wpewebkit Debian 14, Debian 13 2.42.1-1
  • webkit2gtk Debian 12 2.42.1-1~deb12u1
  • webkit2gtk Debian 14, Debian 13 2.42.1-1

debian advisories DEBIAN-CVE-2023-41993

  • webkit2gtk Ubuntu 22.04 LTS 2.42.1-0ubuntu0.22.04.1

ubuntu advisories UBUNTU-CVE-2023-41993

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 2.38.5-1.el9_2.3
  • webkit2gtk3-jsc RHEL 9 2.38.5-1.el9_2.3
  • webkit2gtk3 RHEL 8 2.38.5-1.el8_8.5
  • webkit2gtk3-jsc RHEL 8 2.38.5-1.el8_8.5
  • 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-2023:4201RHSA-2023:4202

  • webkit2gtk3 SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES 15 SP3-LTSS +8 more 2.42.1-150200.87.4
  • webkit2gtk3 SLE Module for Desktop Applications 15 SP5, SLE Module for Desktop Applications 15 SP4, openSUSE Leap 15.5 +1 more 2.42.1-150400.4.57.2
  • webkit2gtk4 SLE Module for Development Tools 15 SP5, SLE Module for Development Tools 15 SP4, openSUSE Leap 15.5 +1 more 2.42.1-150400.4.57.3
  • webkit2gtk3-soup2 SLE Module for Basesystem 15 SP5, SLE Module for Basesystem 15 SP4, openSUSE Leap 15.5 +1 more 2.42.1-150400.4.57.2
  • webkit2gtk3 SLES for SAP 12 SP5, SLES 12 SP5, SLE Workstation Extension 12 SP5 +1 more 2.42.1-2.155.1
  • webkit2gtk3 SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLE High Performance Computing 15 SP1-LTSS 2.42.1-150000.3.153.1

suse advisories SUSE-SU-2023:4339-1SUSE-SU-2023:4294-1SUSE-SU-2023:4211-1SUSE-SU-2023:4209-1

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-2023-41993 updated cvss 9.8

webkitgtk: processing malicious 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 2.38.5-1.el8_8.5, webkit2gtk3-jsc 2.38.5-1.el8_8.5
    fixed: vendor fix RHSA-2023:4202
  • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3 2.38.5-1.el9_2.3, webkit2gtk3-jsc 2.38.5-1.el9_2.3
    fixed: vendor fix RHSA-2023:4201
  • 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. Found exploited as a 0-day (Project Zero)
  2. 0-day patched (Project Zero)
  3. Published
  4. Added to CISA KEV
  5. CISA patch deadline
  6. CISA SSVC: exploitation active

Known exploited

Added
3 y ago
Patch by
2023-10-16 (3 y ago)
Ransomware
Not known
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor, product
Apple, Multiple Products
CISA name
Apple Multiple Products WebKit Code Execution 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.

Found
2023-09-12
Patched
2023-09-21
Details
project zero tracker

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

23.71% chance of exploitation in the next 30 days, higher than 97% 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
OSV 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
bitnami java
<1.8.0
>=1.9.0, <8.0.411
1.8.0
8.0.411
bitnami java-min
<1.8.0
>=1.9.0, <8.0.411
1.8.0
8.0.411
bitnami jre
<1.8.0
>=1.9.0, <8.0.411
1.8.0
8.0.411

Affected products

  • Apple macOS
  • apple iphone_os
  • apple ipad_os
  • fedoraproject fedora
  • debian debian_linux
  • oracle graalvm
  • oracle jdk
  • oracle jre
  • netapp cloud_insights_acquisition_unit
  • netapp cloud_insights_storage_workload_security_agent
  • netapp oncommand_insight
  • netapp oncommand_workflow_automation

Classification

Weakness
  • CWE-754 Improper Check for Unusual or Exceptional Conditions

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Adds CPEs from April 2024 Oracle CPU https://www.oracle.com/security-alerts/cpuapr2024.html.