CVE-2026-70464

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.6%, top 54% 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, secondary
Trending — Patch released 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: 1%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

rsync daemon 2.0.0 before 3.5.0 contains a denial of service vulnerability that allows unauthenticated remote attackers to exhaust daemon connection slots by stalling the handshake process before or after module selection without triggering the I/O timeout. Attackers can open many simultaneous connections and trickle data at the minimum rate to avoid timeout, or stall entirely before module selection where no timeout applies, consuming all available connection slots and denying service to legitimate clients.

CVSS v3
7.5
EG Score
7.5(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
Severity75% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
46%
KEV
Not listed

Published

August 13, 2026

Last Modified

September 8, 2026

Advisory Details (3)

Auto-updated Aug 13, 2026
Patch available. Sources: github_release, github.
generic

rsync 2.0.0 < 3.5.0 Connection Slot Exhaustion DoS via Handshake Stall | Advisories | VulnCheck

https://www.vulncheck.com/advisories/rsync-connection-slot-exhaustion-dos-via-handshake-stall
github_release Patch Available

v3.5.0

Patch available: RsyncProject/rsync v3.5.0

https://github.com/RsyncProject/rsync/releases/tag/v3.5.0
github Patch Available

rsync: Unauthenticated pre-transfer handshake DoS locks out an rsync daemon module · Advisory · RsyncProject/rsync · GitHub

https://github.com/RsyncProject/rsync/security/advisories/GHSA-hrwq-ccf7-rw5m

Vendor Advisories for CVE-2026-70464(1)

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

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrsync-0:3.5.0-3.el10_22026-09-14redhat
redhatrsync-0:3.2.7-1.el9_82026-09-14redhat

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

(7 across 7 ecosystems)
Alpine:v3.21(1)
PackageVulnerable rangeFixed inDependents
rsync—3.5.0-r0—
Alpine:v3.22(1)
PackageVulnerable rangeFixed inDependents
rsync—3.5.0-r0—
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
rsync—3.5.0-r0—
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
rsync—3.5.0-r0—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
rsync3.2.7-1 ... 3.5.0+ds1-2 (30 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
rsync3.4.1+ds1-5 ... 3.5.0+ds1-2 (15 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
rsync3.4.1+ds1-5 ... 3.4.4+ds1-1 (9 versions)3.5.0+ds1-1—

Weakness Classification(1)

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

Additional Vendor Advisories

(2)

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 26× in last 7d / 98× 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 119 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-70464?
CVE-2026-70464 is a high vulnerability published on August 13, 2026. rsync daemon 2.0.0 before 3.5.0 contains a denial of service vulnerability that allows unauthenticated remote attackers to exhaust daemon connection slots by stalling the handshake process before or after module selection without triggering the I/O timeout. Attackers can open many simultaneous…
When was CVE-2026-70464 disclosed?
CVE-2026-70464 was first published in the National Vulnerability Database on August 13, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-70464 actively exploited?
CVE-2026-70464 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 54.0% of all scored CVEs.
What is the CVSS score of CVE-2026-70464?
CVE-2026-70464 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-70464?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-70464, 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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