CVE-2025-43427

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2025-11-04. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 4.3Exploit: None knownExposed: 0

A fix is available — apply it.

This issue was addressed through improved state management. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
20(Track)
EG Risk 20/100SSVC: 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
Severity43% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
40%
KEV
Not listed

Published

November 4, 2025

Last Modified

April 2, 2026

References (5)

Patch Availability(12)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuwebkitgtk-webdriver (2.50.2-0ubuntu0.25.10.2) @ questing2026-05-21ubuntu
redhatwebkit2gtk3-0:2.50.3-2.el8_82025-12-22redhat
redhatwebkit2gtk3-0:2.50.3-2.el8_62025-12-22redhat
redhatwebkit2gtk3-0:2.50.3-1.el9_42025-12-18redhat
redhatwebkitgtk4-0:2.50.3-2.el7_92025-12-18redhat
redhatwebkit2gtk3-0:2.50.3-2.el8_22025-12-17redhat
redhatwebkit2gtk3-0:2.50.3-1.el9_22025-12-17redhat
redhatwebkit2gtk3-0:2.50.3-1.el9_02025-12-17redhat
redhatwebkit2gtk3-0:2.50.3-2.el8_42025-12-17redhat
redhatwebkit2gtk3-0:2.50.3-1.el9_62025-12-11redhat
redhatwebkit2gtk3-0:2.50.3-1.el9_72025-12-08redhat
redhatwebkit2gtk3-0:2.50.3-1.el8_102025-12-08redhat

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(2)

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

All Vendor Advisories

(12)

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 9× in last 7d / 46× 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 127 total refreshes for this CVE.

  1. 2026-07-27 08:09 UTCOSV refresh
  2. 2026-07-26 14:54 UTCEPSS rescore
  3. 2026-07-25 14:17 UTCEPSS rescore
  4. 2026-07-25 14:17 UTCEPSS rescore
  5. 2026-07-24 14:17 UTCEPSS rescore
  6. 2026-07-23 02:55 UTCEG score recompute
  7. 2026-07-22 14:07 UTCEPSS rescore
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  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-11 08:27 UTCEPSS rescore
  3. 2026-07-10 02:53 UTCOSV refresh
  4. 2026-07-09 19:09 UTCEPSS rescore
  5. 2026-07-09 19:09 UTCEPSS rescore
  6. 2026-07-07 13:45 UTCEPSS rescore
  7. 2026-07-06 16:27 UTCEPSS rescore
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  9. 2026-07-06 02:23 UTCEPSS rescore
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  11. 2026-07-04 06:30 UTCEPSS rescore
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  14. 2026-06-30 23:22 UTCEPSS rescore
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  20. 2026-06-28 04:55 UTCEPSS rescore
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  22. 2026-06-27 03:08 UTCEPSS rescore
  23. 2026-06-27 03:08 UTCEPSS rescore
  24. 2026-06-25 13:49 UTCEPSS rescore
  25. 2026-06-25 13:49 UTCEPSS rescore
  26. 2026-06-24 14:04 UTCEPSS rescore
  27. 2026-06-24 14:04 UTCEPSS rescore
  28. 2026-06-23 21:32 UTCEPSS rescore
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  30. 2026-06-22 14:25 UTCEPSS rescore
  31. 2026-06-22 14:25 UTCEPSS rescore
  32. 2026-06-21 14:56 UTCEPSS rescore
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  34. 2026-06-21 13:31 UTCOSV refresh
  35. 2026-06-21 01:59 UTCEPSS rescore
  36. 2026-06-21 01:59 UTCEPSS rescore
  37. 2026-06-19 19:25 UTCEPSS rescore
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  44. 2026-06-14 23:17 UTCEPSS rescore
  45. 2026-06-13 23:00 UTCEPSS rescore
  46. 2026-06-12 23:11 UTCEPSS rescore
  47. 2026-06-11 14:00 UTCEPSS rescore
  48. 2026-06-10 22:18 UTCEPSS rescore
  49. 2026-06-10 13:22 UTCEPSS rescore
  50. 2026-06-08 14:16 UTCEPSS rescore
  51. 2026-06-08 14:16 UTCEPSS rescore
  52. 2026-06-07 15:24 UTCEPSS rescore
  53. 2026-06-06 13:47 UTCEPSS rescore
  54. 2026-06-06 13:47 UTCEPSS rescore
  55. 2026-06-05 22:46 UTCEPSS rescore
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  57. 2026-06-05 06:10 UTCEPSS rescore
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  59. 2026-06-04 13:12 UTCEPSS rescore
  60. 2026-06-04 13:12 UTCEPSS rescore
  61. 2026-06-02 20:12 UTCEPSS rescore
  62. 2026-06-02 07:39 UTCOSV refresh
  63. 2026-06-01 13:51 UTCEPSS rescore
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  65. 2026-05-31 22:30 UTCEPSS rescore
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  68. 2026-05-29 13:44 UTCEPSS rescore
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  73. 2026-05-27 13:40 UTCEPSS rescore
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  75. 2026-05-27 13:40 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2025-43427?
CVE-2025-43427 is a medium vulnerability published on November 4, 2025. This issue was addressed through improved state management. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.
When was CVE-2025-43427 disclosed?
CVE-2025-43427 was first published in the National Vulnerability Database on November 4, 2025, with the most recent update on April 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-43427 actively exploited?
CVE-2025-43427 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 59.8% of all scored CVEs.
What is the CVSS score of CVE-2025-43427?
CVE-2025-43427 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2025-43427?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-43427, 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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