hugo/content/about/security/advisories/cve-2011-4939-00.md

Wed, 22 Jan 2025 21:35:51 -0600

author
Gary Kramlich <grim@reaperworld.com>
date
Wed, 22 Jan 2025 21:35:51 -0600
changeset 546
c30ec89f7dd7
parent 399
0ec2c139628a
permissions
-rw-r--r--

Updates for the 2.14.14 release

Testing Done:
Ran `npm run hugo:server` and verified the download links and changelog were displayed properly.

Reviewed at https://reviews.imfreedom.org/r/3782/

---
title: cve-2011-4939-00
date: 2011-07-08T00:00:00.000Z
cveNumber: cve-2011-4939
summary: XMPP remote crash
discoveredBy: Clemens Huebner in ticket #14392 and Kevin Stange
fixedInRelease: 2.10.2
type: security
layout: cve
hidden: true
---

### Description

Certain types of nickname changes in XMPP chat rooms can trigger a NULL pointer
dereference in Pidgin, which triggers a crash.

### Mitigation

Check for NULL before trying to use a struct.

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