En resumen
- CVE-2026-39834 es una vulnerabilidad CRÍTICO (CVSS 9.1) que afecta a golang.org/x/crypto, crypto (golang).
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.60%, mayor que el 48.6% de las vulnerabilidades.
- Solución: actualizar a 0.52.0 o posterior.
Description
When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation.
NVD description
When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation.
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