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CVE-2026-58317

TeraTerm Project / TTSSH2 PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
TeraTerm Project / TTSSH2affected 1.00 alpha1 through 3.6.1

CWE

CWE-196

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.