CVE-2025-12439

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2025-11-10. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Inappropriate implementation in App-Bound Encryption in Google Chrome on Windows prior to 142.0.7444.59 allowed a local attacker to obtain potentially sensitive information from process memory via a malicious file. (Chromium security severity: Medium)

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
25(Track)
EG Risk 25/100SSVC: 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
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
0%
KEV
Not listed

Published

November 10, 2025

Last Modified

November 13, 2025

References (2)

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
chromium100.0.4896.127-1 ... 99.0.4844.84-1~deb11u1 (500 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
chromium113.0.5672.126-1 ... 141.0.7390.65-1~deb13u1 (272 versions)142.0.7444.59-1~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 142.0.7444.59-1~deb12u1 (38 versions)142.0.7444.59-1~deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 142.0.7444.59-1~deb13u1 (39 versions)142.0.7444.59-1—

Weakness Classification(1)

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

All Vendor Advisories

(1)

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 2× in last 7d / 14× 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. 2026-09-16 14:06 UTCEPSS rescore
  2. 2026-09-16 05:13 UTCEPSS rescore
  3. 2026-09-12 18:36 UTCOSV refresh
  4. 2026-09-12 14:59 UTCEPSS rescore
  5. 2026-09-11 14:51 UTCEPSS rescore
  6. 2026-09-11 09:35 UTCEPSS rescore
  7. 2026-09-10 09:33 UTCEPSS rescore
  8. 2026-09-04 05:05 UTCEPSS rescore
  9. 2026-09-01 13:52 UTCEPSS rescore
  10. 2026-08-26 14:45 UTCEPSS rescore
  11. 2026-08-25 13:47 UTCEPSS rescore
  12. 2026-08-24 23:44 UTCOSV refresh
  13. 2026-08-24 14:15 UTCEPSS rescore
  14. 2026-08-23 00:18 UTCEPSS rescore
  15. 2026-08-18 13:47 UTCEPSS rescore
  16. 2026-08-17 13:46 UTCEPSS rescore
  17. 2026-08-16 14:55 UTCEPSS rescore
  18. 2026-08-16 02:13 UTCEPSS rescore
  19. 2026-08-16 02:13 UTCEPSS rescore
  20. 2026-08-15 01:29 UTCEPSS rescore
  21. 2026-08-08 17:19 UTCOSV refresh
  22. 2026-08-06 13:45 UTCEPSS rescore
  23. 2026-08-05 19:16 UTCEPSS rescore
  24. 2026-08-04 15:09 UTCEPSS rescore
  25. 2026-07-28 15:35 UTCEPSS rescore
Show 51 more
  1. 2026-07-27 14:12 UTCEPSS rescore
  2. 2026-07-26 14:53 UTCEPSS rescore
  3. 2026-07-24 14:16 UTCEPSS rescore
  4. 2026-07-23 15:41 UTCOSV refresh
  5. 2026-07-23 14:17 UTCEPSS rescore
  6. 2026-07-23 02:48 UTCEG score recompute
  7. 2026-07-22 14:07 UTCEPSS rescore
  8. 2026-07-22 14:07 UTCEPSS rescore
  9. 2026-07-19 02:28 UTCEPSS rescore
  10. 2026-07-19 02:28 UTCEPSS rescore
  11. 2026-07-18 10:03 UTCEPSS rescore
  12. 2026-07-16 17:02 UTCEPSS rescore
  13. 2026-07-16 17:02 UTCEPSS rescore
  14. 2026-07-15 16:57 UTCEPSS rescore
  15. 2026-07-15 16:57 UTCEPSS rescore
  16. 2026-07-13 22:29 UTCEPSS rescore
  17. 2026-07-13 22:29 UTCEPSS rescore
  18. 2026-07-13 06:12 UTCEPSS rescore
  19. 2026-07-11 08:26 UTCEPSS rescore
  20. 2026-07-11 08:26 UTCEPSS rescore
  21. 2026-07-08 15:14 UTCEPSS rescore
  22. 2026-07-07 13:45 UTCEPSS rescore
  23. 2026-07-06 10:11 UTCOSV refresh
  24. 2026-07-01 15:06 UTCEPSS rescore
  25. 2026-06-28 14:07 UTCEPSS rescore
  26. 2026-06-28 14:07 UTCEPSS rescore
  27. 2026-06-28 04:55 UTCEPSS rescore
  28. 2026-06-27 03:08 UTCEPSS rescore
  29. 2026-06-27 03:08 UTCEPSS rescore
  30. 2026-06-23 21:32 UTCEPSS rescore
  31. 2026-06-21 14:56 UTCEPSS rescore
  32. 2026-06-21 14:56 UTCEPSS rescore
  33. 2026-06-18 17:52 UTCEPSS rescore
  34. 2026-06-18 17:52 UTCEPSS rescore
  35. 2026-06-17 22:14 UTCOSV refresh
  36. 2026-06-17 17:52 UTCEPSS rescore
  37. 2026-06-15 17:48 UTCEPSS rescore
  38. 2026-06-08 14:16 UTCEPSS rescore
  39. 2026-06-08 14:16 UTCEPSS rescore
  40. 2026-06-06 13:47 UTCEPSS rescore
  41. 2026-06-06 13:47 UTCEPSS rescore
  42. 2026-06-05 06:10 UTCEPSS rescore
  43. 2026-06-05 06:10 UTCEPSS rescore
  44. 2026-06-01 13:51 UTCEPSS rescore
  45. 2026-06-01 13:51 UTCEPSS rescore
  46. 2026-05-31 00:16 UTCEPSS rescore
  47. 2026-05-31 00:16 UTCEPSS rescore
  48. 2026-05-29 19:33 UTCEG score recompute
  49. 2026-05-29 19:33 UTCVendor advisory
  50. 2026-05-29 19:33 UTCGHSA enrichment
  51. 2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-12439?
CVE-2025-12439 is a medium vulnerability published on November 10, 2025. Inappropriate implementation in App-Bound Encryption in Google Chrome on Windows prior to 142.0.7444.59 allowed a local attacker to obtain potentially sensitive information from process memory via a malicious file. (Chromium security severity: Medium)
When was CVE-2025-12439 disclosed?
CVE-2025-12439 was first published in the National Vulnerability Database on November 10, 2025, with the most recent update on November 13, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-12439 actively exploited?
CVE-2025-12439 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 99.7% of all scored CVEs.
What is the CVSS score of CVE-2025-12439?
CVE-2025-12439 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2025-12439?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-12439, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-12439

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