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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Russh is a Rust SSH client & server library. In versions 0.54.0 and below, the channel window adjust message of the SSH protocol is used to track the free space in the receive buffer of the other side of a channel. The current implementation takes the value from the message and adds it to an internal state value. This can result in a integer overflow. If the Rust code is compiled with overflow checks, it will panic. A malicious client can crash a server. This is fixed in version 0.54.1."}, {"lang": "es", "value": "Russh es una librer\u00eda de cliente y servidor SSH de Rust. En las versiones 0.54.0 y anteriores, el mensaje de ajuste de la ventana de canal del protocolo SSH se utiliza para rastrear el espacio libre en el b\u00fafer de recepci\u00f3n del otro lado de un canal. La implementaci\u00f3n actual toma el valor del mensaje y lo a\u00f1ade a un valor de estado interno. Esto puede provocar un desbordamiento de enteros. Si el c\u00f3digo de Rust se compila con comprobaciones de desbordamiento, se generar\u00e1 un p\u00e1nico. Un cliente malicioso puede colapsar un servidor. Esto se solucion\u00f3 en la versi\u00f3n 0.54.1."}], "id": "CVE-2025-54804", "lastModified": "2025-08-05T15:15:31.740", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-08-05T01:15:42.550", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Eugeny/russh/commit/0eb5e406780890e21ff71dd25d731b30676478e5"}, {"source": "security-advisories@github.com", "url": "https://github.com/Eugeny/russh/security/advisories/GHSA-h5rc-j5f5-3gcm"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/Eugeny/russh/security/advisories/GHSA-h5rc-j5f5-3gcm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "russh: Russh Integer Overflow Vulnerability", "id": "2386465", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2386465"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["No description is available for this CVE."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-54804", "package_state": [{"cpe": "cpe:/a:redhat:openshift_devspaces:3:", "fix_state": "Will not fix", "package_name": "devspaces/code-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3:", "fix_state": "Will not fix", "package_name": "devspaces-tech-preview/idea-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}], "public_date": "2025-08-05T00:05:20Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-54804\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-54804\nhttps://github.com/Eugeny/russh/commit/0eb5e406780890e21ff71dd25d731b30676478e5\nhttps://github.com/Eugeny/russh/security/advisories/GHSA-h5rc-j5f5-3gcm"], "threat_severity": "Moderate"}