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CVE-2026-46673

Russh is a Rust SSH client & server library. Prior to version 0.60.3, CryptoVec used unchecked capacity growth, unchecked length arithmetic, and unsafe allocation/locking paths. In current russh releases, local SSH agent peers could still feed attacker-controlled frame lengths into buffer growth before validation. In older russh releases before 0.58.0, remote SSH traffic also reached CryptoVec through transport and compression buffers. This issue has been patched in version 0.60.3.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4bab971b6f91d2a2757a030eb4ef9a3c470d6d2d7c90425eb4b46b5fc4624641
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"russh","vendor":"Eugeny","versions":[{"status":"affected","version":"< 0.60.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b880f402237e55700f04bb64742bd7052c65f746117145941579190da86e4c49 · sha256:2cf0319e56b44b6b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b880f402237e55700f04bb64742bd7052c65f746117145941579190da86e4c49 · sha256:2cf0319e56b44b6b… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b880f402237e55700f04bb64742bd7052c65f746117145941579190da86e4c49 · sha256:2cf0319e56b44b6b… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/Eugeny/russh/security/advisories/GHSA-g9f8-wqj9-fjw5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b880f402237e55700f04bb64742bd7052c65f746117145941579190da86e4c49 · sha256:2cf0319e56b44b6b… · /containers/adp/0/references/0
{"name":"https://github.com/Eugeny/russh/security/advisories/GHSA-g9f8-wqj9-fjw5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Eugeny/russh/security/advisories/GHSA-g9f8-wqj9-fjw5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b880f402237e55700f04bb64742bd7052c65f746117145941579190da86e4c49 · sha256:2cf0319e56b44b6b… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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