CVE-2023-42890

HIGHNVD 8.88.8—

8.8

The issue was addressed with improved memory handling. This issue is fixed in Safari 17.2, macOS Sonoma 14.2, watchOS 10.2, iOS 17.2 and iPadOS 17.2, tvOS 17.2. Processing web content may lead to arbitrary code execution.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 61.1%
KEV: Not listed

Published

December 12, 2023

Last Modified

November 21, 2024

References (26)

product-security@applehttp://seclists.org/fulldisclosure/2023/Dec/12
product-security@applehttp://seclists.org/fulldisclosure/2023/Dec/13
product-security@applehttp://seclists.org/fulldisclosure/2023/Dec/6
product-security@applehttp://seclists.org/fulldisclosure/2023/Dec/7
product-security@applehttp://seclists.org/fulldisclosure/2023/Dec/9
product-security@applehttp://www.openwall.com/lists/oss-security/2023/12/18/1
product-security@applehttps://security.gentoo.org/glsa/202401-33
product-security@applehttps://support.apple.com/en-us/HT214035
product-security@applehttps://support.apple.com/en-us/HT214036
product-security@applehttps://support.apple.com/en-us/HT214039
product-security@applehttps://support.apple.com/en-us/HT214040
product-security@applehttps://support.apple.com/en-us/HT214041
product-security@applehttps://support.apple.com/kb/HT214039
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2023/Dec/12
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2023/Dec/13

Patch Availability(3)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	webkitgtk4-0:2.48.3-2.el7_9	2025-07-07	redhat
redhat	webkit2gtk3-0:2.42.5-1.el8	2024-05-22	redhat
redhat	webkit2gtk3-0:2.42.5-1.el9	2024-04-30	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

All Vendor Advisories

(3)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-07 15:23 UTCepss_batch
2026-06-07 15:23 UTCepss_batch
2026-06-06 13:46 UTCepss_batch
2026-06-06 13:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
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2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
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2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2023-42890?

CVE-2023-42890 is a high vulnerability published on December 12, 2023. The issue was addressed with improved memory handling. This issue is fixed in Safari 17.2, macOS Sonoma 14.2, watchOS 10.2, iOS 17.2 and iPadOS 17.2, tvOS 17.2. Processing web content may lead to arbitrary code execution.

When was CVE-2023-42890 disclosed?

CVE-2023-42890 was first published in the National Vulnerability Database on December 12, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-42890 actively exploited?

CVE-2023-42890 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 61.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-42890?

CVE-2023-42890 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2023-42890?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-42890, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-42890

Published

Last Modified

References (26)

Patch Availability(3)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-42890?

Same vendor

Same CWE

CVE-2023-42890

📅 Published

🔄 Last Modified

🔗 References (26)

Patch Availability(3)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-42890?

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References (26)

Frequently asked(5)

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