RUSTSEC-2026-0154

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Source

https://rustsec.org/advisories/RUSTSEC-2026-0154

Import Source

https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2026-0154.json

JSON Data

https://api.osv.dev/v1/vulns/RUSTSEC-2026-0154

Aliases

Published

2026-05-15T12:00:00Z

Modified

2026-06-02T10:11:07.572512472Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

Unbounded 32-bit allocation

Details

Both the SSH agent server and client accepted peer-controlled frame lengths without enforcing a maximum frame size. This could cause large memory allocations while parsing a maliciously crafted agent frame.

A malicious peer could advertise an oversized frame length, causing the client or server to attempt a large memory allocation before validating the frame, potentially leading to memory exhaustion or process termination.

This is fixed by enforcing a maximum agent frame size of 256 KiB and rejecting oversized frames before buffer allocation.

Database specific

{
    "license": "CC0-1.0"
}

References

Affected packages

crates.io / russh

Package

Name: russh; View open source insights on deps.dev
Purl: pkg:cargo/russh

Affected ranges

Type: SEMVER
Events: Introduced

0.0.0-0

Fixed

0.60.3

Ecosystem specific

{
    "affects": {
        "arch": [],
        "functions": [],
        "os": []
    },
    "affected_functions": null
}