How severe is CVE-2023-42950?

CVE-2023-42950 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-42950 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42950?

CVE-2023-42950 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-2023-42950?

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-2023-42950 have an EU (EUVD) identifier?

Yes. CVE-2023-42950 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47371.

When was CVE-2023-42950 published?

CVE-2023-42950 was published on 2024-03-28 and last updated on 2026-06-17.

CVE-2023-42950

CVE-2023-42950 is a high-severity vulnerability in Apple Safari with a CVSS 3.x base score of 8.8. 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-416.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-47371
Weakness: CWE-416
Affected product: Apple Safari
Published: 2024-03-28
Last modified: 2026-06-17

Description

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 17.2, iOS 17.2 and iPadOS 17.2, tvOS 17.2, watchOS 10.2, macOS Sonoma 14.2. Processing maliciously crafted web content may lead to arbitrary code execution.

Frequently asked questions

What is CVE-2023-42950?: A use after free issue was addressed with improved memory management. This issue is fixed in Safari 17.2, iOS 17.2 and iPadOS 17.2, tvOS 17.2, watchOS 10.2, macOS Sonoma 14.2. Processing maliciously crafted web content may lead to arbitrary code execution.
How severe is CVE-2023-42950?: CVE-2023-42950 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-42950 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42950?: CVE-2023-42950 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-2023-42950?: 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-2023-42950 have an EU (EUVD) identifier?: Yes. CVE-2023-42950 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47371.
When was CVE-2023-42950 published?: CVE-2023-42950 was published on 2024-03-28 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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