Timo Sirainen discovered that cURL, an URL transfer library, is prone to a heap overflow vulnerability due to bad checking of the input data in the curl_easy_unescape function.

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Debian Security Advisory DSA-2713-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
http://www.debian.org/security/                      Salvatore Bonaccorso
June 24, 2013                          http://www.debian.org/security/faq
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Package        : curl
Vulnerability  : heap overflow
Problem type   : local (remote)
Debian-specific: no
CVE ID         : CVE-2013-2174

Timo Sirainen discovered that cURL, an URL transfer library, is prone to
a heap overflow vulnerability due to bad checking of the input data in
the curl_easy_unescape function.

The curl command line tool is not affected by this problem as it doesn't
use the curl_easy_unescape function.

For the oldstable distribution (squeeze), this problem has been fixed in
version 7.21.0-2.1+squeeze4.

For the stable distribution (wheezy), this problem has been fixed in
version 7.26.0-1+wheezy3.

For the unstable distribution (sid), this problem has been fixed in
version 7.31.0-1.

We recommend that you upgrade your curl packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

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