On 2025年5月25日, ASSI via Cygwin wrote: > Jeremy Drake via Cygwin writes: > > Apparently the fix that MSYS2 made for openssl in > > https://github.com/msys2/MSYS2-packages/pull/3448 is also not present in > > Cygwin, so cargo continues to crash after I patched libcurl. >> I have the opposite view on crashing vs. leaking memory from openSSL, > but the just uploaded test release has the patch. Lazka pointed out in https://github.com/msys2/MSYS2-packages/pull/3448#issuecomment-2907899110 that openssl is using pthread tls destructors to do cleanup when available, so it may not actually be a leak on Cygwin.