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CVE-2026-39834

OpenSSH

Popis

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.

CVSS 9.1EPSS 0.525%Riziko 0.95
Zobraziť zdroj
Zverejnené
2026-05-22 04:16:24
Dotknuté verzie
unknown
Typ
Kritický softvér
Vektor
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H