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CVE-2010-0420

libpurple in Finch in Pidgin before 2.6.6, when an XMPP multi-user chat (MUC) room is used, does...

4.3 MediumFix available

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.

Exploit likelihood

2.86%Down 1.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

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.

Record
CVE-2010-0420
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2010-0420
Updated
2026-11-02
EUVDEUVD-2010-0451 No score

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.

Record
EUVD-2010-0451
Updated
2026-11-03
GitHub AdvisoriesGHSA-r3rc-v556-7p45 No score

libpurple in Finch in Pidgin before 2.6.6, when an XMPP multi-user chat (MUC) room is used, does...

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.

Record
GHSA-r3rc-v556-7p45
Weakness
CWE-20
Updated
2026-11-02
OSV No score

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.

Record
CVE-2010-0420
Updated
2026-11-02
OSVDEBIAN-CVE-2010-0420 No score

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.

Record
DEBIAN-CVE-2010-0420
Updated
2026-11-02
OSVopenSUSE-SU-2024:10432-1 No score

finch-2.11.0-4.1 on GA media

These are all security issues fixed in the finch-2.11.0-4.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10432-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
pidgin
Debian:12
 before 2.6.6-1
2.6.6-1
pidgin
Debian:13
 before 2.6.6-1
2.6.6-1
pidgin
Debian:14
 before 2.6.6-1
2.6.6-1
pidgin
Debian:5.0
From an advisory covering 5 CVEs
 before 2.4.3-4lenny6, plus listed versions
2.4.3-42.4.3-4lenny12.4.3-4lenny1~bpo40+12.4.3-4lenny1~volatile02.4.3-4lenny2
Show 7 moreShow less
2.4.3-4lenny2~bpo40+12.4.3-4lenny32.4.3-4lenny3~bpo40+12.4.3-4lenny42.4.3-4lenny4~bpo40+12.4.3-4lenny52.4.3-4lenny5~bpo40+1
2.4.3-4lenny6
finch
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
finch-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple-perl
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple-tcl
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
Show 56 moreShow less
Affected packages
PackageAffectedFixed
pidgin
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin-perl
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
finch
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
finch-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple-perl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple-tcl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin-perl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
finch
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
finch-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple-perl
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple-tcl
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin-perl
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
finch
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
finch-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple-perl
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
libpurple-tcl
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
pidgin-perl
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el4
0:2.6.6-1.el4
finch-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
libpurple-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
pidgin
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
pidgin-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
pidgin-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
finch
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
libpurple
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
libpurple-perl
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
libpurple-tcl
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
pidgin
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
pidgin-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
pidgin-perl
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
finch
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
finch-devel
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
libpurple
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
libpurple-devel
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
libpurple-perl
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
libpurple-tcl
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
pidgin
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
pidgin-debuginfo
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
pidgin-devel
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5
pidgin-perl
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-1.el5
0:2.6.6-1.el5

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-0420 is a medium vulnerability (CVSS 4.3) in Pidgin, published February 24, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.86%, the 86th percentile. Fixed in pidgin 2.6.6-1.

References

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