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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
The irc_msg_who function in msgs.c in the IRC protocol plugin in libpurple 2.8.0 through 2.9.0 in Pidgin before 2.10.0 does not properly validate characters in nicknames, which allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted nickname that is not properly handled in a WHO response.
View Analysis Description
'CWE-476: NULL Pointer Dereference'
Access Vector (AV):
Access Complexity (AC):
Victim must voluntarily interact with attack mechanismAllows disruption of service
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18005 [No Types Assigned]
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:18005 [No Types Assigned]
https://exchange.xforce.ibmcloud.com/vulnerabilities/69340 [No Types Assigned]
http://xforce.iss.net/xforce/xfdb/69340 [No Types Assigned]