Security Advisory

CVE-2026-58317

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-17 04:14:03

Last updated 2026-07-17 13:06:39

Assigner jpcert

CVSS score 6.3

State PUBLISHED

Description

Unsigned to Signed Conversion Error (CWE-196) vulnerability exists in TTSSH2 plugin of Tera Term provided by TeraTerm Project. When Tera Term attempts to establish an SSH connection to a server set up by an attacker, out-of-bounds read/write may occur. As a result, the contents of adjacent memory regions may be transmitted to the server, and Tera Term may behave unexpected or terminate abnormally.

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