CVE-2011-4939
6.4 · MEDIUMThe 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 ni…
Overview
CVE-2011-4939 is a medium-severity vulnerability affecting pidgin pidgin. It was published on March 15, 2012 and has a CVSS 2.0 base score of 6.4 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from pidgin. Update pidgin to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| pidgin | pidgin | 0 | Affected |
References
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Frequently asked questions
What is CVE-2011-4939?
CVE-2011-4939 is a medium-severity vulnerability affecting pidgin pidgin. It was published on March 15, 2012 and has a CVSS 2.0 base score of 6.4 (MEDIUM).
How severe is CVE-2011-4939?
This vulnerability has a CVSS 2.0 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2011-4939?
Check the references section for vendor advisories and patches from pidgin. Update pidgin to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2011-4939?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4939 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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