CVE-2026-46039

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-27. the CNA's CVSS baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:linux, epss, ghsa
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

rxgk: Fix potential integer overflow in length check

Fix potential integer overflow in rxgk_extract_token() when checking the length of the ticket. Rather than rounding up the value to be tested (which might overflow), round down the size of the available data.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

May 27, 2026

Last Modified

August 5, 2026

Advisory Details (3)

Auto-updated Sep 16, 2026
No patch confirmed yet.
generic

rxgk: Fix potential integer overflow in length check - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6929350080f4da292d111a3b33e53138fee51cec
generic

rxgk: Fix potential integer overflow in length check - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/183d37f12d1c8ed24a5bfc7addad05510da22a94
generic

rxgk: Fix potential integer overflow in length check - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/43222ac484f93b3ec2d240a7575e1cedd31f5fa4

Vendor Advisories for CVE-2026-46039(1)

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

Patch Availability(15)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-27.27) @ resolute2026-09-14ubuntu
ubuntulinux-tools-azure-fde-6.17 (6.17.0-1018.18~24.04.1) @ noble2026-09-14ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1008.8) @ resolute2026-09-14ubuntu
ubuntulinux-virtual-hwe-24.04-edge (6.17.0-40.40) @ questing2026-09-14ubuntu
ubuntulinux-tools-oem-6.17 (6.17.0-1028.28) @ noble2026-09-14ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1014.14) @ resolute2026-09-14ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1013.13) @ resolute2026-09-14ubuntu
ubuntulinux-tools-nvidia-hwe-24.04 (6.17.0-1026.26) @ noble2026-09-14ubuntu
ubuntulinux-tools-realtime-hwe-24.04-edge (6.17.0-1017.19) @ questing2026-09-14ubuntu
ubuntulinux-virtual-hwe-24.04 (6.17.0-40.40~24.04.1) @ noble2026-09-14ubuntu
ubuntulinux-tools-raspi-6.17 (6.17.0-1021.21) @ questing2026-09-14ubuntu
ubuntulinux-virtual-hwe-24.04-edge (7.0.0-28.28~24.04.1) @ noble2026-09-14ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-09-14ubuntu
ubuntulinux-tools-azure-6.17 (6.17.0-1021.21~24.04.1) @ noble2026-09-14ubuntu
linuxKernel @ 6.18.27—osv

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

(1 across 1 ecosystem)
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.4-1~bpo13+1 (134 versions)7.0.4-1—

Weakness Classification(1)

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

All Vendor Advisories

(14)

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 5× in last 7d / 37× 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 450 total refreshes for this CVE.

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

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-46039?
CVE-2026-46039 is a critical vulnerability published on May 27, 2026. In the Linux kernel, the following vulnerability has been resolved: rxgk: Fix potential integer overflow in length check Fix potential integer overflow in rxgkextracttoken() when checking the length of the ticket. Rather than rounding up the value to be tested (which might overflow), round down the…
When was CVE-2026-46039 disclosed?
CVE-2026-46039 was first published in the National Vulnerability Database on May 27, 2026, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46039 actively exploited?
CVE-2026-46039 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 62.2% of all scored CVEs.
What is the CVSS score of CVE-2026-46039?
CVE-2026-46039 has a CVSS v4.0 base score of 9.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-46039?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46039, 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-2026-46039

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