CVE-2026-39829
Invoking pathological RSA/DSA parameters may cause DoS in golang.org/x/crypto/ssh
Vexday Risk Score
21Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 7.5EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —
Ciclo de vida
22 may 2026Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated clients during public key authentication. RSA moduli are now limited to 8192 bits, and DSA parameters are validated per FIPS 186-2.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Productos afectados
golang.org/x/crypto · golang.org/x/crypto/ssh¿Quieres saber si tu infraestructura está expuesta a esto?
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