Skip to main content
ExploitedIn CISA KEVFix available

CVE-2023-41993

Exploitation confirmed. First attested on 2023-09-25 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2023-09-21
  • WeaknessCWE-754

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2023-09-2119:15CVE publishedNVD
  2. 2023-09-25Added to the CISA KEV catalogCISA KEV
  3. 2023-09-25Listed as exploited by GCVEGCVE
  4. 2023-09-25Exploitation first reportedCISA KEV
  5. 2024-01-1102:17SSVC exploitation set to activeCISA-ADP

Versions per branch

NVD · CISA-ADP
Fedoraproject fedora
BranchAffectedFixed in
37.x= 37no fix published
38.x= 38no fix published
39.x= 39no fix published
Debian debian linux
BranchAffectedFixed in
11.0= 11.0no fix published
12.0= 12.0no fix published
Oracle graalvm
BranchAffectedFixed in
20.3= 20.3.13no fix published
21.3= 21.3.9no fix published

15 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As apple, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Apple macOS
    Affected
    • < 14fixed in 14custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2024-04-26

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • corretto-fips-config-8MinimOSall versions · fixed in 0and 6 other packages
  • openjdk-11-openj9Chainguardall versions · fixed in 0and 27 other packages
  • openjdk-7Wolfiall versions · no fixed version listed
  • openjdk-7MinimOSall versions · no fixed version listedand 5 other packages
  • openjdk-7Chainguardall versions · no fixed version listedand 1 other package
  • openjdk-7-jreMinimOSall versions · fixed in 7.321.2.6.28-r1
  • openjdk-8Wolfiall versions · fixed in 8.482-r8and 6 other packages
  • openjdk-8Chainguardall versions · fixed in 8.482-r8and 6 other packages

44 more package ranges on OSV.dev

Vendor advisories

  • CVE-2023-41993 Red Hat Product Security116 products fixed · 9 known affected

    webkitgtk: processing malicious web content may lead to arbitrary code execution

    webkitgtk as a component of Red Hat Enterprise Linux 6 · webkitgtk-devel as a component of Red Hat Enterprise Linux 6 · webkitgtk-doc as a component of Red Hat Enterprise Linux 6 · +6 more

  • RHSA-2025:10364 Red Hat Product Security13 products fixed

    Red Hat Security Advisory: webkitgtk4 security update

  • RHSA-2023:4201 Red Hat Product Security46 products fixed

    Red Hat Security Advisory: webkit2gtk3 security update

  • RHSA-2023:4202 Red Hat Product Security46 products fixed

    Red Hat Security Advisory: webkit2gtk3 security update

Full record on NVD

Fix

  1. CISA’s required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.due 2023-10-16
  2. Vendor fix Red Hat Product Security RHSA-2025:10364 · 13 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  3. No fix planned, says the vendor Red Hat Product Security CVE-2023-41993 · 9 productsOut of support scope

Advisories and patches

Detection

read 2026-11-01 01:02 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2023-09-25
Patch Due Date
2023-10-16
Ransomware Use
Unknown
Required Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2023-09-21
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-2hcr-79rm-r8rp

Frequently asked questions

What is CVE-2023-41993?

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.

Is CVE-2023-41993 actively exploited?

Yes. CVE-2023-41993 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-10-16.

What is the CVSS score for CVE-2023-41993?

CVE-2023-41993 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Running webkitgtk? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, September 2023Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record