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ExploitedIn CISA KEVFix available

CVE-2023-41990

Exploitation confirmed. First attested on 2024-01-05 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2023-09-12
  • Fixed in13.2 · 12.6.8 · 11.7.9

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 handling of caches. This issue is fixed in tvOS 16.3, iOS 16.3 and iPadOS 16.3, macOS Monterey 12.6.8, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Ventura 13.2, watchOS 9.3. Processing a font file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.

Timeline

dates in UTC
  1. 2023-09-1200:15CVE publishedNVD
  2. 2024-01-0505:00Exploitation first reportedCISA-ADP
  3. 2024-01-0505:00SSVC exploitation set to activeCISA-ADP
  4. 2024-01-08Added to the CISA KEV catalogCISA KEV
  5. 2024-01-08Listed as exploited by GCVEGCVE

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-41990?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-41990?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Apple macos
BranchAffectedFixed in
13.x≥ 13.0, < 13.213.2
12.x≥ 12.0.0, < 12.6.812.6.8
11.7< 11.7.911.7.9
Apple ipados
BranchAffectedFixed in
16.x≥ 16.0, < 16.316.3
15.7< 15.7.815.7.8
Apple iphone os
BranchAffectedFixed in
16.x≥ 16.0, < 16.316.3
15.7< 15.7.815.7.8

2 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 CNA7 products

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

  • Apple iOS and iPadOS
    Affected
    • < 16.3fixed in 16.3custom
  • Apple tvOS
    Affected
    • < 16.3fixed in 16.3custom
  • Apple iOS and iPadOS
    Affected
    • < 15.7fixed in 15.7custom
  • Apple macOS
    Affected
    • < 11.7fixed in 11.7custom
  • Apple macOS
    Affected
    • < 13.2fixed in 13.2custom
  • Apple macOS
    Affected
    • < 12.6fixed in 12.6custom

1 more product in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-09-21

Fix

  1. Update Apple macos to 13.2 · 12.6.8 · 11.7.9
  2. CISA’s required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.due 2024-01-29

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2024-01-08
Patch Due Date
2024-01-29
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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2023-09-12
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-pc7v-gfwg-hjx7

Frequently asked questions

What is CVE-2023-41990?

The issue was addressed with improved handling of caches. This issue is fixed in tvOS 16.3, iOS 16.3 and iPadOS 16.3, macOS Monterey 12.6.8, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Ventura 13.2, watchOS 9.3. Processing a font file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.

Is CVE-2023-41990 actively exploited?

Yes. CVE-2023-41990 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 2024-01-29.

What is the CVSS score for CVE-2023-41990?

CVE-2023-41990 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Sources for this record