curl: Expired pointer dereference via multi API with CURLOPT_CONNECT_ONLY option set

A flaw was found in libcurl from versions 7.29.0 through 7.71.1. An application that performs multiple requests with libcurl's multi API, and sets the CURLOPTCONNECTONLY option, might experience libcurl using the wrong connection. The highest threat from this vulnerability is to data...

USN-4466-2 curl vulnerability

USN-4466-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Marc Aldorasi discovered that curl incorrectly handled the libcurl CURLOPTCONNECTONLY option. This could result in data being sent to the wrong destination,...

USN-4466-1 curl vulnerability

Marc Aldorasi discovered that curl incorrectly handled the libcurl CURLOPTCONNECTONLY option. This could result in data being sent to the wrong destination, possibly exposing sensitive information...

wrong connect-only connection

An application that performs multiple requests with libcurl's multi API and sets the CURLOPTCONNECTONLY option, might in rare circumstances experience that when subsequently using the setup connect-only transfer, libcurl picks and uses the wrong connection - and instead picks another one the...

curl -- expired pointer dereference vulnerability

curl security problems: CVE-2020-8231: wrong connect-only connection An application that performs multiple requests with libcurl's multi API and sets the CURLOPTCONNECTONLY option, might in rare circumstances experience that when subsequently using the setup connect-only transfer, libcurl will pi...

curl: Connect-only connections can use the wrong connection

Summary: If a connect-only easy handle is not read from or written to, its connection can time out and be closed. If a new connection is created it can be allocated at the same address, causing the easy handle to use the new connection. This new connection may not be connected to the same server ...

PT-2020-6189

Name of the Vulnerable Software and Affected Versions libcurl versions 7.29.0 through 7.71.1 Description The issue is related to the use of a dangling pointer, which can cause libcurl to use the wrong connection when sending data. This can lead to a remote attacker gaining access to confidential...