When was CVE-2011-4939 disclosed?

CVE-2011-4939 was first published in the National Vulnerability Database on March 15, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-4939 actively exploited?

CVE-2011-4939 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-4939?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4939, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

CVE-2011-4939

NONENVD 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 78.3%
KEV: Not listed

References (12)

secalert@redhathttp://developer.pidgin.im/ticket/14392
secalert@redhathttp://developer.pidgin.im/viewmtn/revision/diff/10ead4688e3af4132d454fa3bc241480500651c9/with/d1d77da56217f3a083e1d459bef054db9f1d5699/pidgin/gtkconv.c
secalert@redhathttp://developer.pidgin.im/viewmtn/revision/info/d1d77da56217f3a083e1d459bef054db9f1d5699
secalert@redhathttp://pidgin.im/news/security/?id=60
secalert@redhathttp://www.mandriva.com/security/advisories?name=MDVSA-2012:029
secalert@redhathttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406
af854a3a-2127-422b-91ae-364da2661108http://developer.pidgin.im/ticket/14392
af854a3a-2127-422b-91ae-364da2661108http://developer.pidgin.im/viewmtn/revision/diff/10ead4688e3af4132d454fa3bc241480500651c9/with/d1d77da56217f3a083e1d459bef054db9f1d5699/pidgin/gtkconv.c
af854a3a-2127-422b-91ae-364da2661108http://developer.pidgin.im/viewmtn/revision/info/d1d77da56217f3a083e1d459bef054db9f1d5699
af854a3a-2127-422b-91ae-364da2661108http://pidgin.im/news/security/?id=60
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2012:029
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406

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CVE-2011-4939

Published

Last Modified

References (12)

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-4939?

CVE-2011-4939

📅 Published

🔄 Last Modified

🔗 References (12)

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-4939?

Published

Last Modified

References (12)

Frequently asked(4)