What is CVE-2026-70464?

CVE-2026-70464 is a high-severity vulnerability in Rsyncproject Rsync, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-13.

How severe is CVE-2026-70464?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Rsyncproject Rsync

CVE-2026-70464

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 triggerin…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Rsyncproject Rsync — versions 2.0.0, 3.5.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-70464?: CVE-2026-70464 is a high-severity vulnerability in Rsyncproject Rsync, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-13.
How severe is CVE-2026-70464?: High severity. CVSS v3 base score is 7.5 out of 10.