CVE-2022-27779 libcurl wrongly allows cookies to be set for Top Level Domains (TLDs) if thehost name is provided with a trailing dot.curl can be told to receive and send cookies. curl’s “cookie engine” can bebuilt with or without [Public Suffix List](https://publicsuffix.org/)awareness. If PSL support not provided a more rudimentary check exists to atleast prevent cookies from being set on TLDs. This check was broken if thehost name in the URL uses a trailing dot.This can allow arbitrary sites to set cookies that then would get sent to adifferent and unrelated site or domain.

Information published. Continue reading CVE-2022-27779 libcurl wrongly allows cookies to be set for Top Level Domains (TLDs) if thehost name is provided with a trailing dot.curl can be told to receive and send cookies. curl’s “cookie engine” can bebuilt with or without [Public Suffix List](https://publicsuffix.org/)awareness. If PSL support not provided a more rudimentary check exists to atleast prevent cookies from being set on TLDs. This check was broken if thehost name in the URL uses a trailing dot.This can allow arbitrary sites to set cookies that then would get sent to adifferent and unrelated site or domain.

CVE-2022-27781 libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server’s certificate chain.Due to an erroneous function a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.

Information published. Continue reading CVE-2022-27781 libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server’s certificate chain.Due to an erroneous function a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.