CWE
20
Advisory Published
CVE Published
Updated

CVE-2010-0420: Input Validation

First published: Tue Feb 16 2010(Updated: )

libpurple in Finch in Pidgin before 2.6.6, when an XMPP multi-user chat (MUC) room is used, does not properly parse nicknames containing <br> sequences, which allows remote attackers to cause a denial of service (application crash) via a crafted nickname.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Pidgin=2.5.9
Pidgin=2.5.8
Pidgin=2.1.0
Pidgin=2.6.0
Pidgin=2.5.2
Pidgin=2.5.1
Pidgin=2.5.6
Pidgin=2.5.7
Pidgin=2.0.1
Pidgin=2.4.2
Pidgin=2.5.4
Pidgin=2.5.5
Pidgin=2.2.2
Pidgin=2.1.1
Pidgin=2.3.1
Pidgin=2.4.3
Pidgin=2.0.0
Pidgin=2.0.2
Pidgin=2.3.0
Pidgin=2.4.1
Pidgin=2.4.0
Pidgin=2.6.2
Pidgin=2.5.0
Pidgin=2.2.0
Pidgin=2.2.1
Pidgin<=2.6.5
Pidgin=2.5.3
Pidgin=2.6.1
Pidgin=2.6.4

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2010-0420?

    CVE-2010-0420 has a severity rating that indicates it can lead to a denial of service due to application crashes.

  • How do I fix CVE-2010-0420?

    To fix CVE-2010-0420, users should upgrade to Pidgin version 2.6.6 or later.

  • What software is affected by CVE-2010-0420?

    CVE-2010-0420 affects Pidgin versions from 2.0.0 up to and including 2.6.5.

  • What type of vulnerability is CVE-2010-0420?

    CVE-2010-0420 is a denial of service vulnerability caused by improper parsing of nicknames in XMPP multi-user chat rooms.

  • Can I still use Pidgin if I have CVE-2010-0420?

    It is not recommended to use Pidgin versions affected by CVE-2010-0420 as they are vulnerable to potential crashes.

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