kbrain

CVE-2011-4939

MEDIUM · CVSS 6.4EPSS 3.4%EU EUVD

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.

Key facts

CVSS score
6.4 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:P
Weakness (CWE)
CWE-264
EPSS score
3.4% (89th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-4849)
Published
March 15, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4849 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin
  • pidgin / pidgin

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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