CVE-2026-64208

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-24. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

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

crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks

Change the krb5 crypto library to provide facilities to precheck the length of the message about to be decrypted or verified.

Fix AF_RXRPC to make use of this to validate DATA packets secured with RxGK.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

July 24, 2026

Last Modified

August 12, 2026

Advisory Details (3)

Auto-updated Jul 27, 2026
No patch confirmed yet.
generic

crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9217017f4bce53dddb8d547837f1f707045d64ad
generic

crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/585f9f6aef5c4542ac9d6ec45cd7dbc7df9af3ff
generic

crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2b50aceafe6606ea52ed42aadd1b4d44a188aade

Vendor Advisories for CVE-2026-64208(1)

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

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1015.15) @ resolute2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1016.16) @ resolute2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-26.04 (7.0.0-2016.16) @ resolute2026-08-30ubuntu

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 ... 7.0.9-1~bpo13+1 (138 versions)7.0.12-1—

All Vendor Advisories

(3)

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 33× in last 7d / 168× 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 198 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-64208?
CVE-2026-64208 is a high vulnerability published on July 24, 2026. In the Linux kernel, the following vulnerability has been resolved: crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks Change the krb5 crypto library to provide facilities to precheck the length of the message about to be decrypted or verified. Fix AF_RXRPC to make use of this to…
When was CVE-2026-64208 disclosed?
CVE-2026-64208 was first published in the National Vulnerability Database on July 24, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-64208 actively exploited?
CVE-2026-64208 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 64.6% of all scored CVEs.
What is the CVSS score of CVE-2026-64208?
CVE-2026-64208 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-64208?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64208, 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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