CLSA-2026-1771925958 python2: Fix of 2 CVEs

CVE-2026-1299: reject email header values containing newlines without whitespace to prevent header injection and info leak via the buffer protocol - CVE-2024-6923: ensure email headers are encoded and verified correctly, raising exceptions for malformed input to prevent processing of invalid or...

Python Email Header Injection Mitigation Tester

This tool demonstrates how modern Python's email library EmailMessage with policy.default effectively prevents email header injection attacks. By rejecting newline and carriage return characters in header values, the library enforces RFC 5322 compliance and blocks classic injection attempts such ...