CVE-2025-12084

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2025-12-03. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.3Exploit: NoneExposed: 0

A fix is available — apply it.

When building nested elements using xml.dom.minidom methods such as appendChild() that have a dependency on _clear_id_cache() the algorithm is quadratic. Availability can be impacted when building excessively nested documents.

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
49.3%
KEV
Not listed

Published

December 3, 2025

Last Modified

January 26, 2026

References (14)

Vendor Advisories for CVE-2025-12084(9)

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

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatpython3-12-main-3.12.13-3.hum12026-04-17redhat
redhatpython3-11-main-3.11.15-4.hum12026-04-17redhat
redhatpython3-14-main-3.14.4-1.hum12026-04-11redhat
redhatpython3-13-main-3.13.13-1.hum12026-04-10redhat
redhatrhui5/rhua-rhel9:17736701372026-03-18redhat
redhatpython3-0:3.6.8-21.el7_9.32026-02-16redhat
redhatrhui5/installer-rhel9:17706469252026-02-11redhat
redhatpython3.9-0:3.9.10-4.el9_0.82026-02-10redhat
redhatpython3-0:3.6.8-47.el8_6.102026-02-10redhat
redhatpython3.9-0:3.9.16-1.el9_2.112026-02-10redhat
redhatpython3-0:3.6.8-51.el8_8.122026-02-09redhat
redhatpython3.12-0:3.12.9-2.el10_0.62026-02-09redhat
redhatpython3.9-0:3.9.18-3.el9_4.102026-02-09redhat
redhatpython3.9-0:3.9.21-2.el9_6.32026-02-09redhat
redhatpython3.11-0:3.11.2-2.el8_8.72026-02-05redhat
redhatpython3.11-0:3.11.2-2.el9_2.92026-02-04redhat
redhatpython3.11-0:3.11.7-1.el9_4.102026-02-04redhat
redhatpython3.11-0:3.11.11-2.el9_6.42026-02-04redhat
redhatpython3.12-0:3.12.12-3.el10_12026-02-03redhat
redhatdiscovery/discovery-ui-rhel9:17691117742026-02-02redhat
redhatpython3-0:3.6.8-24.el8_2.52026-02-02redhat
redhatpython3-0:3.6.8-72.el8_102026-02-02redhat
redhatpython-0:2.7.5-94.el7_9.22026-01-29redhat
redhatpython3.12-0:3.12.1-4.el9_4.92026-01-29redhat
redhatpython3.12-0:3.12.9-1.el9_6.42026-01-29redhat
redhatpython3-0:3.6.8-39.el8_4.82026-01-29redhat
redhatpython3.9-0:3.9.25-3.el9_72026-01-28redhat
redhatpython3.11-0:3.11.13-5.el9_72026-01-27redhat
redhatpython3.11-0:3.11.13-4.el8_102026-01-27redhat
redhatpython3.12-0:3.12.12-4.el9_72026-01-27redhat

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

(23)

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 12× 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.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 01:59 UTCEPSS rescore
  4. 2026-07-15 01:59 UTCEPSS rescore
  5. 2026-07-13 22:29 UTCEPSS rescore
  6. 2026-07-13 22:29 UTCEPSS rescore
  7. 2026-07-13 06:12 UTCEPSS rescore
  8. 2026-07-12 05:46 UTCEPSS rescore
  9. 2026-07-12 05:45 UTCEPSS rescore
  10. 2026-07-11 08:26 UTCEPSS rescore
  11. 2026-07-11 08:26 UTCEPSS rescore
  12. 2026-07-09 19:09 UTCEPSS rescore
  13. 2026-07-08 15:14 UTCEPSS rescore
  14. 2026-07-07 13:45 UTCEPSS rescore
  15. 2026-07-06 16:26 UTCEPSS rescore
  16. 2026-07-06 09:11 UTCOSV refresh
  17. 2026-07-06 02:22 UTCEPSS rescore
  18. 2026-07-06 02:22 UTCEPSS rescore
  19. 2026-07-05 02:30 UTCEPSS rescore
  20. 2026-07-04 06:30 UTCEPSS rescore
  21. 2026-07-01 15:06 UTCEPSS rescore
  22. 2026-06-30 23:21 UTCEPSS rescore
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-28 14:07 UTCEPSS rescore
  25. 2026-06-28 14:07 UTCEPSS rescore
Show 52 more
  1. 2026-06-28 04:55 UTCEPSS rescore
  2. 2026-06-27 03:08 UTCEPSS rescore
  3. 2026-06-27 03:08 UTCEPSS rescore
  4. 2026-06-25 13:49 UTCEPSS rescore
  5. 2026-06-25 13:49 UTCEPSS rescore
  6. 2026-06-24 14:04 UTCEPSS rescore
  7. 2026-06-24 14:04 UTCEPSS rescore
  8. 2026-06-23 21:32 UTCEPSS rescore
  9. 2026-06-22 14:25 UTCEPSS rescore
  10. 2026-06-22 14:25 UTCEPSS rescore
  11. 2026-06-21 14:56 UTCEPSS rescore
  12. 2026-06-21 14:56 UTCEPSS rescore
  13. 2026-06-21 01:59 UTCEPSS rescore
  14. 2026-06-21 01:59 UTCEPSS rescore
  15. 2026-06-19 19:25 UTCEPSS rescore
  16. 2026-06-19 19:25 UTCEPSS rescore
  17. 2026-06-18 17:52 UTCEPSS rescore
  18. 2026-06-18 17:52 UTCEPSS rescore
  19. 2026-06-17 20:44 UTCOSV refresh
  20. 2026-06-17 17:52 UTCEPSS rescore
  21. 2026-06-16 17:52 UTCEPSS rescore
  22. 2026-06-15 17:48 UTCEPSS rescore
  23. 2026-06-14 23:17 UTCEPSS rescore
  24. 2026-06-13 22:59 UTCEPSS rescore
  25. 2026-06-13 22:59 UTCEPSS rescore
  26. 2026-06-12 23:11 UTCEPSS rescore
  27. 2026-06-11 13:59 UTCEPSS rescore
  28. 2026-06-10 22:18 UTCEPSS rescore
  29. 2026-06-10 13:21 UTCEPSS rescore
  30. 2026-06-08 14:16 UTCEPSS rescore
  31. 2026-06-08 14:16 UTCEPSS rescore
  32. 2026-06-07 15:24 UTCEPSS rescore
  33. 2026-06-06 13:47 UTCEPSS rescore
  34. 2026-06-06 13:47 UTCEPSS rescore
  35. 2026-06-05 22:46 UTCEPSS rescore
  36. 2026-06-05 22:46 UTCEPSS rescore
  37. 2026-06-05 06:10 UTCEPSS rescore
  38. 2026-06-05 06:10 UTCEPSS rescore
  39. 2026-06-04 13:11 UTCEPSS rescore
  40. 2026-06-04 13:11 UTCEPSS rescore
  41. 2026-06-02 20:12 UTCEPSS rescore
  42. 2026-06-02 20:12 UTCEPSS rescore
  43. 2026-06-01 13:51 UTCEPSS rescore
  44. 2026-06-01 13:51 UTCEPSS rescore
  45. 2026-05-31 22:30 UTCEPSS rescore
  46. 2026-05-31 22:30 UTCEPSS rescore
  47. 2026-05-31 00:16 UTCEPSS rescore
  48. 2026-05-31 00:16 UTCEPSS rescore
  49. 2026-05-29 18:29 UTCEG score recompute
  50. 2026-05-29 18:29 UTCVendor advisory
  51. 2026-05-29 18:29 UTCGHSA enrichment
  52. 2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-12084?
CVE-2025-12084 is a medium vulnerability published on December 3, 2025. When building nested elements using xml.dom.minidom methods such as appendChild() that have a dependency on clearid_cache() the algorithm is quadratic. Availability can be impacted when building excessively nested documents.
When was CVE-2025-12084 disclosed?
CVE-2025-12084 was first published in the National Vulnerability Database on December 3, 2025, with the most recent update on January 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-12084 actively exploited?
CVE-2025-12084 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 49.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-12084?
CVE-2025-12084 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2025-12084?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-12084, 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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