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CVE-2023-41990

Apple Multiple Products Code Execution

7.8 HIGHActively exploited (CISA KEV)EPSS 1.39%
  1. Published11 Sept 2023
  2. Added to CISA KEV8 Jan 2024
  3. Remediation due29 Jan 2024
Actively exploited (CISA KEV)

Apple iOS, iPadOS, macOS, tvOS, and watchOS contain an unspecified vulnerability that allows for code execution when processing a font file.

Added to KEV: 8 Jan 2024Federal remediation due: 29 Jan 2024

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.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Apple iPadOS≥ 16.0 < 16.3 · < 15.7.8
Apple iPhone OS≥ 16.0 < 16.3 · < 15.7.8
Apple macOS≥ 12.0.0 < 12.6.8 · ≥ 13.0 < 13.2 · < 11.7.9
Apple Tvos< 16.3
Apple Watchos< 9.3

Remediation

Fixed in
Apple iPadOS≥ 16.3
Apple iPhone OS≥ 16.3
Apple macOS≥ 12.6.8
Apple Tvos≥ 16.3
Apple Watchos≥ 9.3

References

Frequently asked

Is CVE-2023-41990 being actively exploited?

Yes. CVE-2023-41990 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 8 Jan 2024.

How severe is CVE-2023-41990?

CVE-2023-41990 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 1.39% probability of exploitation.

Which products are affected by CVE-2023-41990?

Affected products include Apple iPadOS, Apple iPhone OS, Apple macOS, Apple Tvos, Apple Watchos.

How do I fix CVE-2023-41990?

Upgrade affected software to a fixed version, for example Apple iPadOS 16.3, Apple iPhone OS 16.3, Apple macOS 12.6.8 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-41990 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.