Security vulnerabilities and automated fixes for email security issues
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A critical vulnerability in `email/receive.cpp` allowed attackers to trigger a buffer overflow by sending crafted emails with large payloads. The `writefunc()` callback failed to validate that `realloc()` succeeded before writing to the reallocated pointer, risking NULL pointer dereference and potential code execution. The fix adds a simple bounds check that validates the realloc result before use.
CVE-2025-14874 is a high-severity Denial of Service vulnerability in Nodemailer that allows an attacker to crash an application by sending a specially crafted email address header. The vulnerability existed in Nodemailer versions prior to 7.0.11 and was present in the `Dise-ador-experto-master` project's `package-lock.json` dependency on version 6.10.1. Upgrading to Nodemailer 7.0.11 resolves the issue by fixing the underlying header parsing logic that could be exploited to cause unbounded resou