CVE-2011-4939
Published Mar 15, 2012 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
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.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- oval:org.mitre.oval:def:18406 ↗
- MDVSA-2012:029 ↗
- developer.pidgin.im ↗
- developer.pidgin.im ↗
- pidgin.im ↗
- developer.pidgin.im ↗
Record history
Published Mar 15, 2012 · Last refreshed Oct 23, 2026