CVE-2011-4939

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

La función de pidgin_conv_chat_rename_user gtkconv.c en Pidgin antes de v2.10.2 permite a atacantes remotos causar una denegación de servicio (eliminar la referencia del puntero NULL y caída de aplicación), cambiando un apodo mientras se encuentra en una sala de chat XMPP.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-12-23 CVE Reserved
2012-03-15 CVE Published
2024-08-07 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-264: Permissions, Privileges, and Access Controls

CAPEC

References (6)

URL	Tag	Source
http://developer.pidgin.im/ticket/14392	X_refsource_confirm
http://developer.pidgin.im/viewmtn/revision/diff/10ead4688e3af4132d454fa3bc241480500651c9/with/d1d77da56217f3a083e1d459bef054db9f1d5699/pidgin/gtkconv.c	X_refsource_confirm
http://developer.pidgin.im/viewmtn/revision/info/d1d77da56217f3a083e1d459bef054db9f1d5699	X_refsource_confirm
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406	Signature

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://pidgin.im/news/security/?id=60	2018-01-18
http://www.mandriva.com/security/advisories?name=MDVSA-2012:029	2018-01-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				<= 2.10.1 Search vendor "Pidgin" for product "Pidgin" and version " <= 2.10.1"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.0.0 Search vendor "Pidgin" for product "Pidgin" and version "2.0.0"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.0.1 Search vendor "Pidgin" for product "Pidgin" and version "2.0.1"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.0.2 Search vendor "Pidgin" for product "Pidgin" and version "2.0.2"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.1.0 Search vendor "Pidgin" for product "Pidgin" and version "2.1.0"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.1.1 Search vendor "Pidgin" for product "Pidgin" and version "2.1.1"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.2.0 Search vendor "Pidgin" for product "Pidgin" and version "2.2.0"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.2.1 Search vendor "Pidgin" for product "Pidgin" and version "2.2.1"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.2.2 Search vendor "Pidgin" for product "Pidgin" and version "2.2.2"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.3.0 Search vendor "Pidgin" for product "Pidgin" and version "2.3.0"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.3.1 Search vendor "Pidgin" for product "Pidgin" and version "2.3.1"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.4.0 Search vendor "Pidgin" for product "Pidgin" and version "2.4.0"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.4.1 Search vendor "Pidgin" for product "Pidgin" and version "2.4.1"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.4.2 Search vendor "Pidgin" for product "Pidgin" and version "2.4.2"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.4.3 Search vendor "Pidgin" for product "Pidgin" and version "2.4.3"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.5.0 Search vendor "Pidgin" for product "Pidgin" and version "2.5.0"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.5.1 Search vendor "Pidgin" for product "Pidgin" and version "2.5.1"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.5.2 Search vendor "Pidgin" for product "Pidgin" and version "2.5.2"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.5.3 Search vendor "Pidgin" for product "Pidgin" and version "2.5.3"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.5.4 Search vendor "Pidgin" for product "Pidgin" and version "2.5.4"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.5.5 Search vendor "Pidgin" for product "Pidgin" and version "2.5.5"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.5.6 Search vendor "Pidgin" for product "Pidgin" and version "2.5.6"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.5.7 Search vendor "Pidgin" for product "Pidgin" and version "2.5.7"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.5.8 Search vendor "Pidgin" for product "Pidgin" and version "2.5.8"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.5.9 Search vendor "Pidgin" for product "Pidgin" and version "2.5.9"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.6.0 Search vendor "Pidgin" for product "Pidgin" and version "2.6.0"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.6.1 Search vendor "Pidgin" for product "Pidgin" and version "2.6.1"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.6.2 Search vendor "Pidgin" for product "Pidgin" and version "2.6.2"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.6.3 Search vendor "Pidgin" for product "Pidgin" and version "2.6.3"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.6.4 Search vendor "Pidgin" for product "Pidgin" and version "2.6.4"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.6.5 Search vendor "Pidgin" for product "Pidgin" and version "2.6.5"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.6.6 Search vendor "Pidgin" for product "Pidgin" and version "2.6.6"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.7.1 Search vendor "Pidgin" for product "Pidgin" and version "2.7.1"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.7.2 Search vendor "Pidgin" for product "Pidgin" and version "2.7.2"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.7.3 Search vendor "Pidgin" for product "Pidgin" and version "2.7.3"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.7.4 Search vendor "Pidgin" for product "Pidgin" and version "2.7.4"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.7.5 Search vendor "Pidgin" for product "Pidgin" and version "2.7.5"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.7.6 Search vendor "Pidgin" for product "Pidgin" and version "2.7.6"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.7.7 Search vendor "Pidgin" for product "Pidgin" and version "2.7.7"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.7.8 Search vendor "Pidgin" for product "Pidgin" and version "2.7.8"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.7.9 Search vendor "Pidgin" for product "Pidgin" and version "2.7.9"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.7.10 Search vendor "Pidgin" for product "Pidgin" and version "2.7.10"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.7.11 Search vendor "Pidgin" for product "Pidgin" and version "2.7.11"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.8.0 Search vendor "Pidgin" for product "Pidgin" and version "2.8.0"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.9.0 Search vendor "Pidgin" for product "Pidgin" and version "2.9.0"		-		Affected
Pidgin Search vendor "Pidgin"		Pidgin Search vendor "Pidgin" for product "Pidgin"				2.10.0 Search vendor "Pidgin" for product "Pidgin" and version "2.10.0"		-		Affected