curl disclosed on HackerOne: Stack-based Buffer Overflow in TELNET...

**Title:** Stack-based Buffer Overflow in TELNET NEW_ENV Option Handling **Vulnerability Description:** **Summary:** A stack-based buffer overflow vulnerability exists in the `libcurl` TELNET handler. When `libcurl` connects to a malicious TELNET server, the server can trigger an overflow by sending a `NEW_ENVIRON SEND` request. This causes the client to construct a response that overwrites...