CVE-2011-4939

Description

The pidgin_conv_chat_rename_user function in gtkconv.c in Pidgin before 2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by changing a nickname while in an XMPP chat room.

Category

6.4
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.10% Top 25%
Vendor Advisory mandriva.com Vendor Advisory pidgin.im
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406 signature vdb entry
http://www.mandriva.com/security/advisories?name=MDVSA-2012:029 vendor advisory
http://developer.pidgin.im/ticket/14392
http://developer.pidgin.im/viewmtn/revision/diff/10ead4688e3af4132d454fa3bc241480500651c9/with/d1d77da56217f3a083e1d459bef054db9f1d5699/pidgin/gtkconv.c
http://pidgin.im/news/security/?id=60 vendor advisory
http://developer.pidgin.im/viewmtn/revision/info/d1d77da56217f3a083e1d459bef054db9f1d5699

Frequently Asked Questions

What is the severity of CVE-2011-4939?
CVE-2011-4939 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4939?
To fix CVE-2011-4939, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4939 being actively exploited in the wild?
It is possible that CVE-2011-4939 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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