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Special Forums Cybersecurity Security Advisories (RSS) Debian: 2023-1: curl: buffer overflow Post 302408157 by Linux Bot on Sunday 28th of March 2010 12:00:06 PM
Old 03-28-2010
Debian: 2023-1: curl: buffer overflow

LinuxSecurity.com: Wesley Miaw discovered that libcurl, a multi-protocol file transfer library, is prone to a buffer overflow via the callback function when an application relies on libcurl to automatically uncompress data. Note that this only affects applications that trust libcurl's maximum limit [More...]

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curl_easy_cleanup(3)						  libcurl Manual					      curl_easy_cleanup(3)

NAME
curl_easy_cleanup - End a libcurl easy session SYNOPSIS
#include <curl/curl.h> void curl_easy_cleanup(CURL *handle); DESCRIPTION
This function must be the last function to call for an easy session. It is the opposite of the curl_easy_init(3) function and must be called with the same handle as input that the curl_easy_init call returned. This will effectively close all connections this handle has used and possibly has kept open until now. Don't call this function if you intend to transfer more files. Occasionally you may get your progress callback or header callback called from within curl_easy_cleanup(3) (if previously set for the han- dle using curl_easy_setopt(3)). Like if libcurl decides to shut down the connection and the protocol is of a kind that requires a com- mand/response sequence before disconnect. Examples of such protocols are FTP, POP3 and IMAP. Any uses of the handle after this function has been called and have returned, are illegal. This kills the handle and all memory associated with it! With libcurl versions prior to 7.17.: when you've called this, you can safely remove all the strings you've previously told libcurl to use, as it won't use them anymore now. RETURN VALUE
None SEE ALSO
curl_easy_init(3), libcurl 7.17.0 22 aug 2007 curl_easy_cleanup(3)
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