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Vulnerability details: VCID-mhjx-yrdy-5qf6
Vulnerability ID VCID-mhjx-yrdy-5qf6
Aliases CVE-2011-4939
Summary pidgin: NULL pointer dereference in the XMPP protocol plug-in by renaming user name
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
epss 0.01102 https://api.first.org/data/v1/epss?cve=CVE-2011-4939
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-4939.json
https://api.first.org/data/v1/epss?cve=CVE-2011-4939
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4939
664028 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=664028
803296 https://bugzilla.redhat.com/show_bug.cgi?id=803296
USN-1500-1 https://usn.ubuntu.com/1500-1/
No exploits are available.
There are no known vectors.
Exploit Prediction Scoring System (EPSS)
Percentile 0.78007
EPSS Score 0.01102
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:56:31.252466+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-4939.json 38.0.0