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WeeChat: Denial of Service


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200904-04 / weechat
Release Date April 04, 2009
Latest Revision April 04, 2009: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-irc/weechat < >= All supported architectures

Related bugreports: #262997


A processing error in WeeChat might lead to a Denial of Service.

2.  Impact Information


Wee Enhanced Environment for Chat (WeeChat) is a light and extensible console IRC client.


Sebastien Helleu reported an array out-of-bounds error in the colored message handling.


A remote attacker could send a specially crafted PRIVMSG command, possibly leading to a Denial of Service (application crash).

3.  Resolution Information


There is no known workaround at this time.


All WeeChat users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/weechat-"

4.  References


Page updated April 04, 2009

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