CVE-2023-42890

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2023-12-12. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 8.8Exploit: None knownExposed: 0

A fix is available — apply it.

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)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation3% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
87%
KEV
Not listed

Published

December 12, 2023

Last Modified

June 17, 2026

Advisory Details (10)

Auto-updated Aug 30, 2026
No patch confirmed yet.
generic

About the security content of Safari 17.2 - Apple Support

https://support.apple.com/en-us/HT214039
generic

About the security content of macOS Sonoma 14.2 - Apple Support

https://support.apple.com/en-us/HT214036
generic

About the security content of iOS 17.2 and iPadOS 17.2 - Apple Support

https://support.apple.com/en-us/HT214035
generic

WebKitGTK+: Multiple Vulnerabilities (GLSA 202401-33) — Gentoo security

https://security.gentoo.org/glsa/202401-33
generic

oss-security - WebKitGTK and WPE WebKit Security Advisory WSA-2023-0012

http://www.openwall.com/lists/oss-security/2023/12/18/1
generic

Full Disclosure: APPLE-SA-12-11-2023-4 macOS Sonoma 14.2

http://seclists.org/fulldisclosure/2023/Dec/9
generic

Full Disclosure: APPLE-SA-12-11-2023-2 iOS 17.2 and iPadOS 17.2

http://seclists.org/fulldisclosure/2023/Dec/7
generic

Full Disclosure: APPLE-SA-12-11-2023-1 Safari 17.2

http://seclists.org/fulldisclosure/2023/Dec/6
generic

Full Disclosure: APPLE-SA-12-11-2023-8 watchOS 10.2

http://seclists.org/fulldisclosure/2023/Dec/13
generic

Full Disclosure: APPLE-SA-12-11-2023-7 tvOS 17.2

http://seclists.org/fulldisclosure/2023/Dec/12

Vendor Advisories for CVE-2023-42890(3)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatwebkitgtk4-0:2.48.3-2.el7_92025-07-07redhat
redhatwebkit2gtk3-0:2.42.5-1.el82024-05-22redhat
redhatwebkit2gtk3-0:2.42.5-1.el92024-04-30redhat

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.

Affected Packages

(8 across 4 ecosystems)
Debian:11(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk2.32.3-1 ... 2.42.1-1~bpo12+1 (109 versions)2.42.1-1~deb11u1—
wpewebkit2.32.3-2 ... 2.52.5-1 (90 versions)——
Debian:12(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk2.40.1-1 ... 2.42.1-1~deb11u2 (26 versions)2.42.1-1~deb12u1—
wpewebkit2.38.6-1 ... 2.52.5-1 (53 versions)——
Debian:13(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.42.0-1—
wpewebkit—2.42.0-1—
Debian:14(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.42.0-1—
wpewebkit—2.42.0-1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 33× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 160 total refreshes for this CVE.

  1. 2026-09-07 15:59 UTCEPSS rescore
  2. 2026-09-06 13:45 UTCEPSS rescore
  3. 2026-09-06 13:45 UTCEPSS rescore
  4. 2026-09-05 15:26 UTCEPSS rescore
  5. 2026-09-04 13:58 UTCEPSS rescore
  6. 2026-09-04 05:04 UTCEPSS rescore
  7. 2026-09-03 10:30 UTCOSV refresh
  8. 2026-09-02 14:09 UTCEPSS rescore
  9. 2026-09-01 13:51 UTCEPSS rescore
  10. 2026-08-30 19:15 UTCEPSS rescore
  11. 2026-08-30 01:20 UTCEPSS rescore
  12. 2026-08-28 21:39 UTCEPSS rescore
  13. 2026-08-27 14:23 UTCEPSS rescore
  14. 2026-08-26 14:44 UTCEPSS rescore
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  16. 2026-08-25 13:46 UTCEPSS rescore
  17. 2026-08-23 00:17 UTCEPSS rescore
  18. 2026-08-21 23:47 UTCEPSS rescore
  19. 2026-08-20 22:53 UTCEPSS rescore
  20. 2026-08-19 17:02 UTCEPSS rescore
  21. 2026-08-19 17:02 UTCEPSS rescore
  22. 2026-08-18 13:46 UTCEPSS rescore
  23. 2026-08-17 13:45 UTCEPSS rescore
  24. 2026-08-17 00:13 UTCOSV refresh
  25. 2026-08-16 14:54 UTCEPSS rescore
Show 75 more
  1. 2026-08-16 02:12 UTCEPSS rescore
  2. 2026-08-15 01:28 UTCEPSS rescore
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  4. 2026-08-13 21:58 UTCEPSS rescore
  5. 2026-08-12 13:48 UTCEPSS rescore
  6. 2026-08-11 13:39 UTCEPSS rescore
  7. 2026-08-09 13:44 UTCEPSS rescore
  8. 2026-08-09 13:44 UTCEPSS rescore
  9. 2026-08-08 16:35 UTCEPSS rescore
  10. 2026-08-07 16:25 UTCEPSS rescore
  11. 2026-08-06 13:45 UTCEPSS rescore
  12. 2026-08-05 19:15 UTCEPSS rescore
  13. 2026-08-04 15:07 UTCEPSS rescore
  14. 2026-08-03 10:34 UTCEPSS rescore
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  16. 2026-08-02 02:25 UTCEPSS rescore
  17. 2026-08-02 02:25 UTCEPSS rescore
  18. 2026-08-01 18:06 UTCOSV refresh
  19. 2026-08-01 04:14 UTCEPSS rescore
  20. 2026-08-01 04:13 UTCEPSS rescore
  21. 2026-07-30 16:26 UTCEPSS rescore
  22. 2026-07-30 16:26 UTCEPSS rescore
  23. 2026-07-30 01:28 UTCEPSS rescore
  24. 2026-07-30 01:28 UTCEPSS rescore
  25. 2026-07-28 15:34 UTCEPSS rescore
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  27. 2026-07-26 14:52 UTCEPSS rescore
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  29. 2026-07-25 14:16 UTCEPSS rescore
  30. 2026-07-24 14:16 UTCEPSS rescore
  31. 2026-07-23 14:16 UTCEPSS rescore
  32. 2026-07-23 14:16 UTCEPSS rescore
  33. 2026-07-23 02:26 UTCEG score recompute
  34. 2026-07-22 23:13 UTCEG score recompute
  35. 2026-07-22 14:06 UTCEPSS rescore
  36. 2026-07-21 15:23 UTCEPSS rescore
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  38. 2026-07-20 17:06 UTCEPSS rescore
  39. 2026-07-19 14:29 UTCEPSS rescore
  40. 2026-07-19 02:27 UTCEPSS rescore
  41. 2026-07-18 10:03 UTCEPSS rescore
  42. 2026-07-18 10:03 UTCEPSS rescore
  43. 2026-07-16 17:01 UTCEPSS rescore
  44. 2026-07-16 17:01 UTCEPSS rescore
  45. 2026-07-15 16:56 UTCEPSS rescore
  46. 2026-07-15 16:56 UTCEPSS rescore
  47. 2026-07-15 01:58 UTCEPSS rescore
  48. 2026-07-15 01:25 UTCOSV refresh
  49. 2026-07-13 22:28 UTCEPSS rescore
  50. 2026-07-13 22:28 UTCEPSS rescore
  51. 2026-07-13 06:11 UTCEPSS rescore
  52. 2026-07-13 06:11 UTCEPSS rescore
  53. 2026-07-12 05:45 UTCEPSS rescore
  54. 2026-07-12 05:45 UTCEPSS rescore
  55. 2026-07-11 08:26 UTCEPSS rescore
  56. 2026-07-11 08:26 UTCEPSS rescore
  57. 2026-07-09 19:08 UTCEPSS rescore
  58. 2026-07-08 15:13 UTCEPSS rescore
  59. 2026-07-07 13:44 UTCEPSS rescore
  60. 2026-07-06 16:26 UTCEPSS rescore
  61. 2026-07-06 16:26 UTCEPSS rescore
  62. 2026-07-06 02:22 UTCEPSS rescore
  63. 2026-07-05 02:29 UTCEPSS rescore
  64. 2026-07-04 06:29 UTCEPSS rescore
  65. 2026-07-01 15:05 UTCEPSS rescore
  66. 2026-06-30 23:21 UTCEPSS rescore
  67. 2026-06-30 23:21 UTCEPSS rescore
  68. 2026-06-28 04:55 UTCEPSS rescore
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  70. 2026-06-27 03:07 UTCEPSS rescore
  71. 2026-06-27 03:07 UTCEPSS rescore
  72. 2026-06-27 02:09 UTCOSV refresh
  73. 2026-06-25 13:48 UTCEPSS rescore
  74. 2026-06-25 13:48 UTCEPSS rescore
  75. 2026-06-24 14:04 UTCEPSS rescore

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 June 17, 2026. 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 3% probability of exploitation in the next 30 days, which ranks it in the top 12.7% of all scored CVEs.
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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