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CVE-2009-2703

libpurple/protocols/irc/msgs.c in the IRC protocol plugin in libpurple in Pidgin before 2.6.2...

5.0 MediumFix available

libpurple/protocols/irc/msgs.c in the IRC protocol plugin in libpurple in Pidgin before 2.6.2 allows remote IRC servers to cause a denial of service (NULL pointer dereference and application crash) via a TOPIC message that lacks a topic string.

Exploit likelihood

1.92%Up 0.8 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

libpurple/protocols/irc/msgs.c in the IRC protocol plugin in libpurple in Pidgin before 2.6.2 allows remote IRC servers to cause a denial of service (NULL pointer dereference and application crash) via a TOPIC message that lacks a topic string.

Record
CVE-2009-2703
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

libpurple/protocols/irc/msgs.c in the IRC protocol plugin in libpurple in Pidgin before 2.6.2 allows remote IRC servers to cause a denial of service (NULL pointer dereference and application crash) via a TOPIC message that lacks a topic string.

Record
CVE-2009-2703
Updated
2026-11-02
EUVDEUVD-2009-2694 No score

libpurple/protocols/irc/msgs.c in the IRC protocol plugin in libpurple in Pidgin before 2.6.2 allows remote IRC servers to cause a denial of service (NULL pointer dereference and application crash) via a TOPIC message that lacks a topic string.

Record
EUVD-2009-2694
Updated
2026-11-03
GitHub AdvisoriesGHSA-v47c-w69f-367c No score

libpurple/protocols/irc/msgs.c in the IRC protocol plugin in libpurple in Pidgin before 2.6.2...

libpurple/protocols/irc/msgs.c in the IRC protocol plugin in libpurple in Pidgin before 2.6.2 allows remote IRC servers to cause a denial of service (NULL pointer dereference and application crash) via a TOPIC message that lacks a topic string.

Record
GHSA-v47c-w69f-367c
Weakness
CWE-119
Updated
2026-11-02
OSV No score

libpurple/protocols/irc/msgs.c in the IRC protocol plugin in libpurple in Pidgin before 2.6.2 allows remote IRC servers to cause a denial of service (NULL pointer dereference and application crash) via a TOPIC message that lacks a topic string.

Record
CVE-2009-2703
Updated
2026-11-02
OSVDEBIAN-CVE-2009-2703 No score

libpurple/protocols/irc/msgs.c in the IRC protocol plugin in libpurple in Pidgin before 2.6.2 allows remote IRC servers to cause a denial of service (NULL pointer dereference and application crash) via a TOPIC message that lacks a topic string.

Record
DEBIAN-CVE-2009-2703
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 2.6.2
2.6.2
pidgin
Debian:13
 before 2.6.2
2.6.2
pidgin
Debian:14
 before 2.6.2
2.6.2
finch
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
finch-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple-perl
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple-tcl
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
Show 63 moreShow less
Affected packages
PackageAffectedFixed
pidgin-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin-perl
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
finch
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
finch-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple-perl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple-tcl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin-perl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
finch
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
finch-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple-perl
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple-tcl
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin-perl
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
finch
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
finch-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple-perl
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
libpurple-tcl
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
pidgin-perl
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el4
0:2.6.2-2.el4
finch-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
libpurple-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
pidgin
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
pidgin-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
pidgin-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
finch
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
libpurple
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
libpurple-perl
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
libpurple-tcl
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
pidgin
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
pidgin-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
pidgin-perl
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
finch
Red Hat:rhel_productivity:5
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
finch-devel
Red Hat:rhel_productivity:5
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
libpurple
Red Hat:rhel_productivity:5
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
libpurple-devel
Red Hat:rhel_productivity:5
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
libpurple-perl
Red Hat:rhel_productivity:5
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
libpurple-tcl
Red Hat:rhel_productivity:5
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
pidgin
Red Hat:rhel_productivity:5
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
pidgin-debuginfo
Red Hat:rhel_productivity:5
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
pidgin-devel
Red Hat:rhel_productivity:5
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
pidgin-perl
Red Hat:rhel_productivity:5
From an advisory covering 4 CVEs
 before 0:2.6.2-2.el5
0:2.6.2-2.el5
pidgin
Red Hat:enterprise_linux:3::as
From an advisory covering 3 CVEs
 before 0:1.5.1-6.el3
0:1.5.1-6.el3
pidgin-debuginfo
Red Hat:enterprise_linux:3::as
From an advisory covering 3 CVEs
 before 0:1.5.1-6.el3
0:1.5.1-6.el3
pidgin
Red Hat:enterprise_linux:3::desktop
From an advisory covering 3 CVEs
 before 0:1.5.1-6.el3
0:1.5.1-6.el3
pidgin-debuginfo
Red Hat:enterprise_linux:3::desktop
From an advisory covering 3 CVEs
 before 0:1.5.1-6.el3
0:1.5.1-6.el3
pidgin
Red Hat:enterprise_linux:3::es
From an advisory covering 3 CVEs
 before 0:1.5.1-6.el3
0:1.5.1-6.el3
pidgin-debuginfo
Red Hat:enterprise_linux:3::es
From an advisory covering 3 CVEs
 before 0:1.5.1-6.el3
0:1.5.1-6.el3
pidgin
Red Hat:enterprise_linux:3::ws
From an advisory covering 3 CVEs
 before 0:1.5.1-6.el3
0:1.5.1-6.el3
pidgin-debuginfo
Red Hat:enterprise_linux:3::ws
From an advisory covering 3 CVEs
 before 0:1.5.1-6.el3
0:1.5.1-6.el3

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-2009-2703 is a medium vulnerability (CVSS 5.0) in Pidgin Libpurple, published September 8, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.92%, the 80th percentile. Fixed in pidgin 2.6.2.

References

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