CVE-2011-4939
The pidgin_conv_chat_rename_user function in gtkconv.c in Pidgin before 2.10.2 allows remote...
CVE-2011-4939 is a medium vulnerability (CVSS 6.4) in Pidgin, published March 15, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.38%, the 88th percentile. Fixed in pidgin 2.10.2-1.
- Severity
- 6.4 MediumCVSS 2.0, NVD
- Exploit chance
- 3.38%EPSS, 88th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
2.10.2-1pidgin +2 more
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.
Exploit likelihood
Affected products
Affected packages
What each source reports
NVD Score used
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.
- Record
CVE-2011-4939- CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:P - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2011-4939- Updated
- 2026-11-02
EUVDEUVD-2011-4849No score
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.
- Record
EUVD-2011-4849- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fqpj-4v5c-wf35No score
The pidgin_conv_chat_rename_user function in gtkconv.c in Pidgin before 2.10.2 allows remote...
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.
- Record
GHSA-fqpj-4v5c-wf35- Updated
- 2026-11-02
OSVNo score
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.
- Record
CVE-2011-4939- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-4939No score
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.
- Record
DEBIAN-CVE-2011-4939- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406
mandriva.com/security/advisories?name=MDVSA-2012:029
developer.pidgin.im/ticket/14392
pidgin.im/news/security?id=60
nvd.nist.gov/vuln/detail/CVE-2011-4939
github.com/advisories/GHSA-fqpj-4v5c-wf35
security-tracker.debian.org/tracker/CVE-2011-4939