How severe is CVE-2023-42875?

CVE-2023-42875 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-42875 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42875?

CVE-2023-42875 primarily affects Apple Safari. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-42875?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-42875 have an EU (EUVD) identifier?

Yes. CVE-2023-42875 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47296.

When was CVE-2023-42875 published?

CVE-2023-42875 was published on 2025-04-11 and last updated on 2026-06-17.

CVE-2023-42875

CVE-2023-42875 is a high-severity vulnerability in Apple Safari with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-47296
Weakness: CWE-94
Affected product: Apple Safari
Published: 2025-04-11
Last modified: 2026-06-17

Description

Processing web content may lead to arbitrary code execution. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17, Safari 17. The issue was addressed with improved memory handling.

Frequently asked questions

What is CVE-2023-42875?: Processing web content may lead to arbitrary code execution. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17, Safari 17. The issue was addressed with improved memory handling.
How severe is CVE-2023-42875?: CVE-2023-42875 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-42875 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42875?: CVE-2023-42875 primarily affects Apple Safari. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-42875?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-42875 have an EU (EUVD) identifier?: Yes. CVE-2023-42875 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47296.
When was CVE-2023-42875 published?: CVE-2023-42875 was published on 2025-04-11 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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