CVE-2026-58317 (GCVE-0-2026-58317)
Vulnerability from cvelistv5
Published
2026-07-17 04:14
Modified
2026-07-17 13:06
Severity ?
6.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
5.1 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CWE
  • CWE-196 - Unsigned to signed conversion error
Summary
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.
References
Impacted products
Vendor Product Version
TeraTerm Project TTSSH2 Version: 1.00 alpha1   ≤ 3.6.1
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