CVE-2025-0938

MEDIUMNVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.3 under NVD CVSS v3. EPSS exploit probability: 1.6%, top 18% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.3Exploit: NoneExposed: 0

A fix is available — apply it.

The Python standard library functions urllib.parse.urlsplit and urlparse accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in differential parsing across the Python URL parser and other specification-compliant URL parsers.

CVSS v3
6.3
EG Score
6.3(medium)
EG Risk
—
EPSS
71.6%
KEV
Not listed

Published

January 31, 2025

Last Modified

April 15, 2026

References (11)

Vendor Advisories for CVE-2025-0938(3)

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

Patch Availability(11)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntupython2.7-minimal (2.7.12-1ubuntu0~16.04.18+esm16) @ xenial2026-06-08ubuntu
ubuntupython3.12-venv (3.12.3-1ubuntu0.5) @ noble2026-06-08ubuntu
ubuntupython3.5-venv (3.5.2-2ubuntu0~16.04.13+esm16) @ xenial2026-06-08ubuntu
ubuntupython3.5-venv (3.5.2-2ubuntu0~16.04.13+esm18) @ xenial2026-06-08ubuntu
ubuntupython2.7-minimal (2.7.6-8ubuntu0.6+esm28) @ trusty2026-06-08ubuntu
redhatpython3-0:3.6.8-74.el8_102026-03-24redhat
redhatpython39-devel:3.9-8100020251126112422.d47b87a42025-12-18redhat
redhatdiscovery/discovery-ui-rhel9:1.14.2-17484676192025-06-02redhat
redhatpython3.12-0:3.12.9-1.el92025-05-13redhat
redhatpython3.11-0:3.11.11-2.el92025-05-13redhat
redhatpython3.9-0:3.9.21-2.el92025-05-13redhat

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

(9)

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 11× 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 122 total refreshes for this CVE.

  1. 2026-07-22 14:07 UTCEPSS rescore
  2. 2026-07-22 14:07 UTCEPSS rescore
  3. 2026-07-21 15:24 UTCEPSS rescore
  4. 2026-07-20 17:07 UTCEPSS rescore
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  14. 2026-07-15 01:59 UTCEPSS rescore
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  16. 2026-07-14 08:40 UTCOSV refresh
  17. 2026-07-13 22:29 UTCEPSS rescore
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  19. 2026-07-13 06:12 UTCEPSS rescore
  20. 2026-07-12 05:45 UTCEPSS rescore
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  1. 2026-07-07 13:45 UTCEPSS rescore
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  8. 2026-07-02 17:00 UTCEPSS rescore
  9. 2026-07-01 15:06 UTCEPSS rescore
  10. 2026-06-30 23:21 UTCEPSS rescore
  11. 2026-06-28 14:07 UTCEPSS rescore
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  13. 2026-06-28 04:55 UTCEPSS rescore
  14. 2026-06-28 04:55 UTCEPSS rescore
  15. 2026-06-27 03:08 UTCEPSS rescore
  16. 2026-06-26 09:23 UTCOSV refresh
  17. 2026-06-25 13:49 UTCEPSS rescore
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  19. 2026-06-24 14:04 UTCEPSS rescore
  20. 2026-06-23 21:32 UTCEPSS rescore
  21. 2026-06-23 21:32 UTCEPSS rescore
  22. 2026-06-22 14:25 UTCEPSS rescore
  23. 2026-06-22 14:25 UTCEPSS rescore
  24. 2026-06-21 14:56 UTCEPSS rescore
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  26. 2026-06-21 01:59 UTCEPSS rescore
  27. 2026-06-19 19:25 UTCEPSS rescore
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  29. 2026-06-18 17:52 UTCEPSS rescore
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  36. 2026-06-13 22:59 UTCEPSS rescore
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  39. 2026-06-11 13:59 UTCEPSS rescore
  40. 2026-06-10 22:18 UTCEPSS rescore
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  42. 2026-06-10 13:21 UTCEPSS rescore
  43. 2026-06-10 13:21 UTCEPSS rescore
  44. 2026-06-08 16:31 UTCEG score recompute▲ 6.30
  45. 2026-06-08 16:31 UTCVendor advisory
  46. 2026-06-08 16:31 UTCGHSA enrichment
  47. 2026-06-08 14:16 UTCEPSS rescore
  48. 2026-06-08 14:16 UTCEPSS rescore
  49. 2026-06-07 15:24 UTCEPSS rescore
  50. 2026-06-05 22:46 UTCEPSS rescore
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  52. 2026-06-05 06:10 UTCEPSS rescore
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  54. 2026-06-04 13:11 UTCEPSS rescore
  55. 2026-06-04 13:11 UTCEPSS rescore
  56. 2026-06-03 20:39 UTCOSV refresh
  57. 2026-06-02 20:12 UTCEPSS rescore
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  59. 2026-06-01 13:51 UTCEPSS rescore
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  61. 2026-05-31 22:30 UTCEPSS rescore
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  75. 2026-05-26 07:18 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-0938?
CVE-2025-0938 is a medium vulnerability published on January 31, 2025. The Python standard library functions urllib.parse.urlsplit and urlparse accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in…
When was CVE-2025-0938 disclosed?
CVE-2025-0938 was first published in the National Vulnerability Database on January 31, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-0938 actively exploited?
CVE-2025-0938 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-0938?
CVE-2025-0938 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2025-0938?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-0938, 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.

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