CVE-2026-121969 | BDVDB-2026-400388 Detail

Description#

netrek-client-cow through 3.3.3 contains a stack-based buffer overflow vulnerability in handleSMessage() in short.c that allows malicious servers to overflow a 100-byte stack buffer by sending oversized SP_S_MESSAGE packets. A malicious Netrek server or man-in-the-middle on the plaintext TCP connection can send overlong or unterminated message bodies to write server-controlled bytes onto the stack and crash the client.

Impact#

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Exploit#

History#

1. Version 12026-11-04Record published in the CVE List.
2. Version 22026-11-05Most recent update recorded in the CVE List.