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NVD / CVE Program· CNA apple

CVE-2023-41993: The issue was addressed with improved checks.

HighCVSS 8.8 · v3.1KEVWeaponized Fix available

Noroxi assessment

Priority: This week (action score 72/100)

  • CISA has confirmed exploitation in the wild (Sep 25, 2023). Remediation deadline for US federal agencies: Oct 16, 2023.
  • Probability of exploitation in the next 30 days: 23.7% (FIRST EPSS); higher than 97.8% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. A user must open a link or visit a page. No special conditions are required; it is repeatable.
  • Fixed version: webkit2gtk (Debian:11) 2.42.1-1~deb11u1; webkit2gtk (Debian:12) 2.42.1-1~deb12u1; webkit2gtk (Debian:13) 2.42.1-1.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Don’t wait for the next maintenance window. Upgrade to webkit2gtk (Debian:11) 2.42.1-1~deb11u1; webkit2gtk (Debian:12) 2.42.1-1~deb12u1; webkit2gtk (Debian:13) 2.42.1-1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · CISA KEV · FIRST EPSS

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.

Published
Sep 21, 2023
Updated
Jun 17, 2026
EPSS
23.7% · 97th percentile

Report tools

JSON

Action score

72

This week

Don’t wait for the next maintenance window.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
30 / 30 · Listed
EPSS
7 / 30 · 23.7%

CISA SSVC decision

Exploitation
active
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on Sep 25, 2023. That signals real attacks, not theory.

Remediation deadline for US federal agencies: Oct 16, 2023.

Get told when this record changes

  • In CISA KEV: exploitation in the wild confirmed
  • Weaponized exploit exists
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2023-41993

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
appleipados
appleiphone os
applemacos
fedoraprojectfedora
debiandebian linux
oraclegraalvm
oraclejdk
oraclejre
netappactive iq unified manager
netappcloud insights acquisition unit
netappcloud insights storage workload security agent
netapponcommand insight

and 2 more

Versions reported by the vendor

Affected version ranges reported by the assigning authority (apple). Independent of NVD's CPE analysis and usually ahead of it.

  • Apple macOS

    • unspecified and later · before 14affected

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • oracle jdk1.8.0
  • oracle jre1.8.0

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:11webkit2gtkbefore 2.42.1-1~deb11u12.42.1-1~deb11u1
Debian:12webkit2gtkbefore 2.42.1-1~deb12u12.42.1-1~deb12u1
Debian:12wpewebkitfrom 0—
Debian:13webkit2gtkbefore 2.42.1-12.42.1-1
Debian:13wpewebkitbefore 2.42.1-12.42.1-1
openSUSE:Leap 15.4webkit2gtk3before 2.42.1-150400.4.57.22.42.1-150400.4.57.2
openSUSE:Leap 15.4webkit2gtk3-soup2before 2.42.1-150400.4.57.22.42.1-150400.4.57.2
openSUSE:Leap 15.4webkit2gtk4before 2.42.1-150400.4.57.32.42.1-150400.4.57.3
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3before 0:2.38.5-1.el8_8.50:2.38.5-1.el8_8.5
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-debuginfobefore 0:2.38.5-1.el8_8.50:2.38.5-1.el8_8.5
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-debugsourcebefore 0:2.38.5-1.el8_8.50:2.38.5-1.el8_8.5
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-develbefore 0:2.38.5-1.el8_8.50:2.38.5-1.el8_8.5
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-devel-debuginfobefore 0:2.38.5-1.el8_8.50:2.38.5-1.el8_8.5
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-jscbefore 0:2.38.5-1.el8_8.50:2.38.5-1.el8_8.5
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-jsc-debuginfobefore 0:2.38.5-1.el8_8.50:2.38.5-1.el8_8.5
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-jsc-develbefore 0:2.38.5-1.el8_8.50:2.38.5-1.el8_8.5
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-jsc-devel-debuginfobefore 0:2.38.5-1.el8_8.50:2.38.5-1.el8_8.5
Red Hat:enterprise_linux:9::appstreamwebkit2gtk3before 0:2.38.5-1.el9_2.30:2.38.5-1.el9_2.3
Red Hat:enterprise_linux:9::appstreamwebkit2gtk3-debuginfobefore 0:2.38.5-1.el9_2.30:2.38.5-1.el9_2.3
Red Hat:enterprise_linux:9::appstreamwebkit2gtk3-debugsourcebefore 0:2.38.5-1.el9_2.30:2.38.5-1.el9_2.3
Red Hat:enterprise_linux:9::appstreamwebkit2gtk3-develbefore 0:2.38.5-1.el9_2.30:2.38.5-1.el9_2.3
Red Hat:enterprise_linux:9::appstreamwebkit2gtk3-devel-debuginfobefore 0:2.38.5-1.el9_2.30:2.38.5-1.el9_2.3
Red Hat:enterprise_linux:9::appstreamwebkit2gtk3-jscbefore 0:2.38.5-1.el9_2.30:2.38.5-1.el9_2.3
Red Hat:enterprise_linux:9::appstreamwebkit2gtk3-jsc-debuginfobefore 0:2.38.5-1.el9_2.30:2.38.5-1.el9_2.3

+8

Same product

apple: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-43300An out-of-bounds write issue was addressed with improved bounds checking.KEV
    89Now
  • CVE-2021-30860An integer overflow was addressed with improved input validation.KEV
    84Now
  • CVE-2023-32434An integer overflow was addressed with improved input validation.KEV
    78This week

Published before and after this one in the same product

  • ← EarlierCVE-2023-41991Sep 21, 2023 · A certificate validation issue was addressed.KEV
    56Plan
  • ← EarlierCVE-2023-41992Sep 21, 2023 · The issue was addressed with improved checks.KEV
    64This week
  • Later →CVE-2023-32361Sep 27, 2023 · The issue was addressed with improved handling of caches.
    22Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:webkit2gtk2.42.1-1~deb12u1 · Debian:12Package registry (OSV)
debian:wpewebkit2.42.1-1 · Debian:13Package registry (OSV)
opensuse:webkit2gtk32.42.1-150400.4.57.2 · openSUSE:Leap 15.4Package registry (OSV)
opensuse:webkit2gtk3-soup22.42.1-150400.4.57.2 · openSUSE:Leap 15.4Package registry (OSV)
opensuse:webkit2gtk42.42.1-150400.4.57.3 · openSUSE:Leap 15.4Package registry (OSV)
red hat:webkit2gtk30:2.38.5-1.el9_2.3 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:webkit2gtk3-debuginfo0:2.38.5-1.el9_2.3 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:webkit2gtk3-debugsource0:2.38.5-1.el9_2.3 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:webkit2gtk3-devel0:2.38.5-1.el9_2.3 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:webkit2gtk3-devel-debuginfo0:2.38.5-1.el9_2.3 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:webkit2gtk3-jsc0:2.38.5-1.el9_2.3 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:webkit2gtk3-jsc-debuginfo0:2.38.5-1.el9_2.3 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:webkit2gtk3-jsc-devel0:2.38.5-1.el9_2.3 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:webkit2gtk3-jsc-devel-debuginfo0:2.38.5-1.el9_2.3 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
suse:webkit2gtk32.42.1-150400.4.57.2 · SUSE:Linux Enterprise Module for Desktop Applications 15 SP4Package registry (OSV)
suse:webkit2gtk32.42.1-2.155.1 · SUSE:Linux Enterprise Software Development Kit 12 SP5Package registry (OSV)
suse:webkit2gtk3-soup22.42.1-150400.4.57.2 · SUSE:Linux Enterprise Module for Basesystem 15 SP4Package registry (OSV)
suse:webkit2gtk42.42.1-150400.4.57.3 · SUSE:Linux Enterprise Module for Development Tools 15 SP4Package registry (OSV)

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Proof-of-concept repository on GitHub ×5

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Proof-of-concept repository on GitHub5 repositories2023-10-15 → 2026-10-14

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. CISA KEV+3 d
  3. First PoC+23 d
  4. TodayNov 14, 2026+1149 d
EPSS, last 120 days-1% in 7 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Not on record for this CVE: patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-754 · Improper Check for Unusual or Exceptional Conditions

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

References

Show all references (6 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records