Allocation of Resources Without Limits or Throttling Affecting russh package, versions <0.60.3


Severity

Recommended
0.0
high
0
10

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  • Snyk IDSNYK-RUST-RUSSH-16874173
  • published25 May 2026
  • disclosed21 May 2026
  • creditmjc

Introduced: 21 May 2026

NewCVE-2026-46673  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade russh to version 0.60.3 or higher.

Overview

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via unchecked allocation and growth handling in the CryptoVec process. An attacker can cause a denial of service by supplying oversized frame lengths or payloads that trigger excessive memory allocation, potentially leading to process aborts or crashes.

CVSS Base Scores

version 4.0
version 3.1