Technical Description

Debian has released a security patch to correct a vulnerability identified in Zlib. This flaw is due to a buffer overflow error when processing a malformed data stream, which could be exploited by attackers to execute arbitrary code via a specially crafted compressed stream embedded within network communication or an application file format. For additional information, see : VUPEN/ADV-2005-0978

Affected Products

Debian GNU/Linux 3.1 (sarge)
Debian GNU/Linux unstable (sid)

Solution

Debian GNU/Linux 3.1 (sarge) - Upgrade to version 1.2.2-4.sarge.1
Debian GNU/Linux unstable (sid) - Upgrade to version 1.2.2-7

References

http://www.vupen.com/english/advisories/2005/0997
http://www.debian.org/security/2005/dsa-740

ChangeLog

2005-07-07 : Initial release

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