CVE-2023-32373

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-05-22), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 12%CVSS: 8.8Exploit: cisa kev · ssvc active · epss top5pctExposed: 0

A fix is available — apply it.

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
12%
EPSS %ILE
96%
KEV
⚠ Exploited

Published

June 23, 2023

Last Modified

October 23, 2025

Advisory Details (7)

Auto-updated Jun 2, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

About the security content of macOS Ventura 13.4 - Apple Support

https://support.apple.com/en-us/HT213758
generic🔴 Active Exploitation

About the security content of iOS 16.5 and iPadOS 16.5 - Apple Support

https://support.apple.com/en-us/HT213757
generic

WebKitGTK+: Multiple Vulnerabilities (GLSA 202401-04) — Gentoo security

https://security.gentoo.org/glsa/202401-04
generic🔴 Active Exploitation

About the security content of iOS 15.7.6 and iPadOS 15.7.6 - Apple Support

https://support.apple.com/en-us/HT213765
generic🔴 Active Exploitation

About the security content of watchOS 9.5 - Apple Support

https://support.apple.com/en-us/HT213764
generic🔴 Active Exploitation

About the security content of Safari 16.5 - Apple Support

https://support.apple.com/en-us/HT213762
generic🔴 Active Exploitation

About the security content of tvOS 16.5 - Apple Support

https://support.apple.com/en-us/HT213761

Vendor Advisories for CVE-2023-32373(1)

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

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibwebkitgtk-6.0-dev (2.40.4-0ubuntu0.23.04.1) @ lunar2026-07-26ubuntu
redhatwebkitgtk4-0:2.48.3-2.el7_92025-07-07redhat
redhatwebkit2gtk3-0:2.38.5-1.el8_8.42023-06-05redhat
redhatwebkit2gtk3-0:2.38.5-1.el9_2.22023-06-05redhat

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.

Additional Vendor Advisories

(3)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 65× in last 7d / 374× 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 759 total refreshes for this CVE.

  1. 2026-07-27 07:14 UTCVendor advisory
  2. 2026-07-27 07:14 UTCGHSA enrichment
  3. 2026-07-27 03:04 UTCVendor advisory
  4. 2026-07-27 03:03 UTCGHSA enrichment
  5. 2026-07-26 22:53 UTCVendor advisory
  6. 2026-07-26 22:53 UTCGHSA enrichment
  7. 2026-07-26 18:42 UTCEG score recompute
  8. 2026-07-26 18:42 UTCVendor advisory
  9. 2026-07-26 18:42 UTCGHSA enrichment
  10. 2026-07-26 14:52 UTCEPSS rescore
  11. 2026-07-26 14:30 UTCEG score recompute
  12. 2026-07-26 14:30 UTCVendor advisory
  13. 2026-07-26 14:30 UTCGHSA enrichment
  14. 2026-07-26 10:20 UTCVendor advisory
  15. 2026-07-26 10:20 UTCGHSA enrichment
  16. 2026-07-26 06:09 UTCVendor advisory
  17. 2026-07-26 06:09 UTCGHSA enrichment
  18. 2026-07-26 01:56 UTCEG score recompute
  19. 2026-07-26 01:56 UTCVendor advisory
  20. 2026-07-26 01:56 UTCGHSA enrichment
  21. 2026-07-25 14:16 UTCEPSS rescore
  22. 2026-07-24 14:16 UTCEPSS rescore
  23. 2026-07-23 14:16 UTCEPSS rescore
  24. 2026-07-23 14:16 UTCEPSS rescore
  25. 2026-07-23 02:23 UTCEG score recompute
Show 75 more
  1. 2026-07-22 21:54 UTCEG score recompute
  2. 2026-07-22 21:54 UTCVendor advisory
  3. 2026-07-22 21:53 UTCGHSA enrichment
  4. 2026-07-22 19:40 UTCCISA KEV update
  5. 2026-07-22 17:43 UTCEG score recompute
  6. 2026-07-22 17:43 UTCVendor advisory
  7. 2026-07-22 17:42 UTCGHSA enrichment
  8. 2026-07-22 14:06 UTCEPSS rescore
  9. 2026-07-22 13:31 UTCVendor advisory
  10. 2026-07-22 13:31 UTCGHSA enrichment
  11. 2026-07-22 09:21 UTCVendor advisory
  12. 2026-07-22 09:21 UTCGHSA enrichment
  13. 2026-07-22 05:10 UTCVendor advisory
  14. 2026-07-22 05:10 UTCGHSA enrichment
  15. 2026-07-22 01:00 UTCVendor advisory
  16. 2026-07-22 00:59 UTCGHSA enrichment
  17. 2026-07-21 20:46 UTCVendor advisory
  18. 2026-07-21 20:46 UTCGHSA enrichment
  19. 2026-07-21 16:32 UTCEG score recompute
  20. 2026-07-21 16:32 UTCVendor advisory
  21. 2026-07-21 16:32 UTCGHSA enrichment
  22. 2026-07-21 15:23 UTCEPSS rescore
  23. 2026-07-21 15:23 UTCEPSS rescore
  24. 2026-07-21 14:37 UTCCISA KEV update
  25. 2026-07-21 12:22 UTCVendor advisory
  26. 2026-07-21 12:22 UTCGHSA enrichment
  27. 2026-07-21 08:11 UTCVendor advisory
  28. 2026-07-21 08:11 UTCGHSA enrichment
  29. 2026-07-21 04:00 UTCVendor advisory
  30. 2026-07-21 04:00 UTCGHSA enrichment
  31. 2026-07-20 23:49 UTCVendor advisory
  32. 2026-07-20 23:49 UTCGHSA enrichment
  33. 2026-07-20 19:38 UTCEG score recompute
  34. 2026-07-20 19:38 UTCVendor advisory
  35. 2026-07-20 19:38 UTCGHSA enrichment
  36. 2026-07-20 17:06 UTCEPSS rescore
  37. 2026-07-20 15:27 UTCVendor advisory
  38. 2026-07-20 15:27 UTCGHSA enrichment
  39. 2026-07-20 11:16 UTCVendor advisory
  40. 2026-07-20 11:16 UTCGHSA enrichment
  41. 2026-07-20 07:05 UTCVendor advisory
  42. 2026-07-20 07:05 UTCGHSA enrichment
  43. 2026-07-20 02:55 UTCVendor advisory
  44. 2026-07-20 02:55 UTCGHSA enrichment
  45. 2026-07-19 22:44 UTCVendor advisory
  46. 2026-07-19 22:44 UTCGHSA enrichment
  47. 2026-07-19 18:33 UTCEG score recompute
  48. 2026-07-19 18:33 UTCVendor advisory
  49. 2026-07-19 18:33 UTCGHSA enrichment
  50. 2026-07-19 14:29 UTCEPSS rescore
  51. 2026-07-19 14:29 UTCEPSS rescore
  52. 2026-07-19 14:22 UTCVendor advisory
  53. 2026-07-19 14:22 UTCGHSA enrichment
  54. 2026-07-19 10:12 UTCVendor advisory
  55. 2026-07-19 10:12 UTCGHSA enrichment
  56. 2026-07-19 06:01 UTCEG score recompute
  57. 2026-07-19 06:01 UTCVendor advisory
  58. 2026-07-19 06:01 UTCGHSA enrichment
  59. 2026-07-19 02:27 UTCEPSS rescore
  60. 2026-07-19 02:27 UTCEPSS rescore
  61. 2026-07-19 01:50 UTCVendor advisory
  62. 2026-07-19 01:50 UTCGHSA enrichment
  63. 2026-07-18 21:39 UTCVendor advisory
  64. 2026-07-18 21:39 UTCGHSA enrichment
  65. 2026-07-18 17:28 UTCVendor advisory
  66. 2026-07-18 17:28 UTCGHSA enrichment
  67. 2026-07-18 13:17 UTCEG score recompute
  68. 2026-07-18 13:17 UTCVendor advisory
  69. 2026-07-18 13:17 UTCGHSA enrichment
  70. 2026-07-18 10:03 UTCEPSS rescore
  71. 2026-07-18 10:03 UTCEPSS rescore
  72. 2026-07-18 09:06 UTCVendor advisory
  73. 2026-07-18 09:06 UTCGHSA enrichment
  74. 2026-07-18 04:55 UTCVendor advisory
  75. 2026-07-18 04:55 UTCGHSA enrichment

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Frequently asked(6)

What is CVE-2023-32373?
CVE-2023-32373 is a critical vulnerability published on June 23, 2023. A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is…
When was CVE-2023-32373 disclosed?
CVE-2023-32373 was first published in the National Vulnerability Database on June 23, 2023, with the most recent update on October 23, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-32373 actively exploited?
Yes. CISA added CVE-2023-32373 to the Known Exploited Vulnerabilities catalog on May 22, 2023, affecting Apple Multiple Products. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-32373?
CVE-2023-32373 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-32373?
CVE-2023-32373 affects Apple Multiple Products. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2023-32373?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-32373, 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

Explore the affected products and dependency analysis for CVE-2023-32373

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