curl: Memory leak from doh_write_cb

Summary: summary of the vulnerability A memory leak found by curlfuzzerhttp Affected version Which curl/libcurl version are you using to reproduce? On which platform? curl -V typically generates good output to include curl 8.13.0-DEV x8664-apple-darwin23.6.0 libcurl/8.13.0-DEV OpenSSL/1.0.2n...