CVE-2023-37450

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 2023-07-13), 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 — 4 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: 19%CVSS: 8.8Exploit: cisa kev · ssvc active · epss top5pctExposed services: Not assessed

A fix is available — apply it.

The issue was addressed with improved checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, Safari 16.5.2, tvOS 16.6, macOS Ventura 13.5, watchOS 9.6. Processing 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
9.0CRITICALhigh confidence
EG Risk
81
EG Risk 81/100CISA SSVC

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%
CISA SSVC: Track at low, Attend at medium and Act at high mission impact.
Action: A fix is available. Apply it within your standard update timelines at low, sooner than that at medium and as soon as possible at high mission impact.
EPSS PROB
19%
EPSS %ILE
97th
KEV
⚠ Exploited

CISA SSVCTrack at low, Attend at medium and Act at high mission impact.

A fix is available. Apply it within your standard update timelines at low, sooner than that at medium and as soon as possible at high mission impact.

Exploitation active (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

July 27, 2023

Last Modified

October 23, 2025

Advisory Details (6)

Auto-updated Jun 1, 2026
⚠️ Active exploitation confirmed. Patch available.
generic🔴 Active Exploitation

About the security content of macOS Ventura 13.5 - Apple Support

https://support.apple.com/en-us/HT213843
generic🔴 Active Exploitation

About the security content of iOS 16.6 and iPadOS 16.6 - Apple Support

https://support.apple.com/en-us/HT213841
generic🔴 Active Exploitation

About the security content of Safari 16.5.2 - Apple Support

https://support.apple.com/en-us/HT213826
generic

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

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

About the security content of watchOS 9.6 - Apple Support

https://support.apple.com/en-us/HT213848
generic🔴 Active Exploitation

About the security content of tvOS 16.6 - Apple Support

https://support.apple.com/en-us/HT213846

Vendor Advisories for CVE-2023-37450(3)

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 / EcosystemFix (by version range) / PatchReleasedSource
ubuntulibwebkitgtk-6.0-dev (2.40.4-0ubuntu0.23.04.1) @ lunar2026-10-05ubuntu
redhatwebkitgtk4-0:2.48.3-2.el7_92025-07-07redhat
redhatwebkit2gtk3-0:2.38.5-1.el8_8.52023-07-18redhat
redhatwebkit2gtk3-0:2.38.5-1.el9_2.32023-07-18redhat

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 rangeFix by version rangeDependents
webkit2gtk2.32.3-1 ... 2.40.3-2~deb11u1 (91 versions)
  • every version up to 2.40.3-2~deb11u2: fixed in 2.40.3-2~deb11u2
—
wpewebkit2.32.3-2 ... 2.52.5-1 (90 versions)
  • every version on: no fix on record
—
Debian:12(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk2.40.1-1 ... 2.40.3-2~deb12u1 (8 versions)
  • every version up to 2.40.3-2~deb12u2: fixed in 2.40.3-2~deb12u2
—
wpewebkit2.38.6-1 ... 2.52.6-1 (54 versions)
  • every version on: no fix on record
—
Debian:13(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk—
  • every version up to 2.40.4-1: fixed in 2.40.4-1
—
wpewebkit—
  • every version up to 2.40.4-1: fixed in 2.40.4-1
—
Debian:14(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk—
  • every version up to 2.40.4-1: fixed in 2.40.4-1
—
wpewebkit—
  • every version up to 2.40.4-1: fixed in 2.40.4-1
—

Additional Vendor Advisories

(1)

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 103× in last 7d / 455× 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 1,933 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2023-37450?
CVE-2023-37450 is a critical vulnerability published on July 27, 2023. The issue was addressed with improved checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, Safari 16.5.2, tvOS 16.6, macOS Ventura 13.5, watchOS 9.6. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
When was CVE-2023-37450 disclosed?
CVE-2023-37450 was first published on July 27, 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-2023-37450 actively exploited?
Yes. CISA added CVE-2023-37450 to the Known Exploited Vulnerabilities catalog on July 13, 2023, affecting Apple Multiple Products. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate attention. A fix is available. Apply it.
What is the CVSS score of CVE-2023-37450?
CVE-2023-37450 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 (CRITICAL).
Which products are affected by CVE-2023-37450?
CVE-2023-37450 affects Apple Multiple Products. The affected packages EchelonGraph has on record, with version ranges, are listed in the Affected Packages section of this page.
How do I remediate CVE-2023-37450?
A fix for CVE-2023-37450 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2023-37450 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-37450

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