Every CVE Search/ Get API key

CVE-2009-1889

The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message...

5.0 MediumFix available

The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message type as the ICQSMS message type, which allows remote attackers to cause a denial of service (application crash) via a crafted ICQ web message that triggers allocation of a large amount of memory.

Exploit likelihood

3.38%Down 0.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message type as the ICQSMS message type, which allows remote attackers to cause a denial of service (application crash) via a crafted ICQ web message that triggers allocation of a large amount of memory.

Record
CVE-2009-1889
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message type as the ICQSMS message type, which allows remote attackers to cause a denial of service (application crash) via a crafted ICQ web message that triggers allocation of a large amount of memory.

Record
CVE-2009-1889
Updated
2026-11-02
EUVDEUVD-2009-1884 No score

The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message type as the ICQSMS message type, which allows remote attackers to cause a denial of service (application crash) via a crafted ICQ web message that triggers allocation of a large amount of memory.

Record
EUVD-2009-1884
Updated
2026-11-03
GitHub AdvisoriesGHSA-2pp9-7rv9-4rpg No score

The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message...

The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message type as the ICQSMS message type, which allows remote attackers to cause a denial of service (application crash) via a crafted ICQ web message that triggers allocation of a large amount of memory.

Record
GHSA-2pp9-7rv9-4rpg
Updated
2026-11-02
OSV No score

The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message type as the ICQSMS message type, which allows remote attackers to cause a denial of service (application crash) via a crafted ICQ web message that triggers allocation of a large amount of memory.

Record
CVE-2009-1889
Updated
2026-11-02
OSVDEBIAN-CVE-2009-1889 No score

The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message type as the ICQSMS message type, which allows remote attackers to cause a denial of service (application crash) via a crafted ICQ web message that triggers allocation of a large amount of memory.

Record
DEBIAN-CVE-2009-1889
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
pidgin
Debian:12
before 2.5.8-1
2.5.8-1
pidgin
Debian:13
before 2.5.8-1
2.5.8-1
pidgin
Debian:14
before 2.5.8-1
2.5.8-1
finch
Red Hat:enterprise_linux:4::as
before 0:2.5.8-1.el4
0:2.5.8-1.el4
finch-devel
Red Hat:enterprise_linux:4::as
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple
Red Hat:enterprise_linux:4::as
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple-devel
Red Hat:enterprise_linux:4::as
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple-perl
Red Hat:enterprise_linux:4::as
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple-tcl
Red Hat:enterprise_linux:4::as
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin
Red Hat:enterprise_linux:4::as
before 0:2.5.8-1.el4
0:2.5.8-1.el4
Show 55 moreShow less
Affected packages
PackageAffectedFixed
pidgin-debuginfo
Red Hat:enterprise_linux:4::as
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin-devel
Red Hat:enterprise_linux:4::as
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin-perl
Red Hat:enterprise_linux:4::as
before 0:2.5.8-1.el4
0:2.5.8-1.el4
finch
Red Hat:enterprise_linux:4::desktop
before 0:2.5.8-1.el4
0:2.5.8-1.el4
finch-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple
Red Hat:enterprise_linux:4::desktop
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple-perl
Red Hat:enterprise_linux:4::desktop
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple-tcl
Red Hat:enterprise_linux:4::desktop
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin
Red Hat:enterprise_linux:4::desktop
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::desktop
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin-perl
Red Hat:enterprise_linux:4::desktop
before 0:2.5.8-1.el4
0:2.5.8-1.el4
finch
Red Hat:enterprise_linux:4::es
before 0:2.5.8-1.el4
0:2.5.8-1.el4
finch-devel
Red Hat:enterprise_linux:4::es
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple
Red Hat:enterprise_linux:4::es
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple-devel
Red Hat:enterprise_linux:4::es
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple-perl
Red Hat:enterprise_linux:4::es
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple-tcl
Red Hat:enterprise_linux:4::es
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin
Red Hat:enterprise_linux:4::es
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::es
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin-devel
Red Hat:enterprise_linux:4::es
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin-perl
Red Hat:enterprise_linux:4::es
before 0:2.5.8-1.el4
0:2.5.8-1.el4
finch
Red Hat:enterprise_linux:4::ws
before 0:2.5.8-1.el4
0:2.5.8-1.el4
finch-devel
Red Hat:enterprise_linux:4::ws
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple
Red Hat:enterprise_linux:4::ws
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple-devel
Red Hat:enterprise_linux:4::ws
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple-perl
Red Hat:enterprise_linux:4::ws
before 0:2.5.8-1.el4
0:2.5.8-1.el4
libpurple-tcl
Red Hat:enterprise_linux:4::ws
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin
Red Hat:enterprise_linux:4::ws
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::ws
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin-devel
Red Hat:enterprise_linux:4::ws
before 0:2.5.8-1.el4
0:2.5.8-1.el4
pidgin-perl
Red Hat:enterprise_linux:4::ws
before 0:2.5.8-1.el4
0:2.5.8-1.el4
finch-devel
Red Hat:enterprise_linux:5::client_workstation
before 0:2.5.8-1.el5
0:2.5.8-1.el5
libpurple-devel
Red Hat:enterprise_linux:5::client_workstation
before 0:2.5.8-1.el5
0:2.5.8-1.el5
pidgin
Red Hat:enterprise_linux:5::client_workstation
before 0:2.5.8-1.el5
0:2.5.8-1.el5
pidgin-debuginfo
Red Hat:enterprise_linux:5::client_workstation
before 0:2.5.8-1.el5
0:2.5.8-1.el5
pidgin-devel
Red Hat:enterprise_linux:5::client_workstation
before 0:2.5.8-1.el5
0:2.5.8-1.el5
finch
Red Hat:enterprise_linux:5::client
before 0:2.5.8-1.el5
0:2.5.8-1.el5
libpurple
Red Hat:enterprise_linux:5::client
before 0:2.5.8-1.el5
0:2.5.8-1.el5
libpurple-perl
Red Hat:enterprise_linux:5::client
before 0:2.5.8-1.el5
0:2.5.8-1.el5
libpurple-tcl
Red Hat:enterprise_linux:5::client
before 0:2.5.8-1.el5
0:2.5.8-1.el5
pidgin
Red Hat:enterprise_linux:5::client
before 0:2.5.8-1.el5
0:2.5.8-1.el5
pidgin-debuginfo
Red Hat:enterprise_linux:5::client
before 0:2.5.8-1.el5
0:2.5.8-1.el5
pidgin-perl
Red Hat:enterprise_linux:5::client
before 0:2.5.8-1.el5
0:2.5.8-1.el5
finch
Red Hat:rhel_productivity:5
before 0:2.5.8-1.el5
0:2.5.8-1.el5
finch-devel
Red Hat:rhel_productivity:5
before 0:2.5.8-1.el5
0:2.5.8-1.el5
libpurple
Red Hat:rhel_productivity:5
before 0:2.5.8-1.el5
0:2.5.8-1.el5
libpurple-devel
Red Hat:rhel_productivity:5
before 0:2.5.8-1.el5
0:2.5.8-1.el5
libpurple-perl
Red Hat:rhel_productivity:5
before 0:2.5.8-1.el5
0:2.5.8-1.el5
libpurple-tcl
Red Hat:rhel_productivity:5
before 0:2.5.8-1.el5
0:2.5.8-1.el5
pidgin
Red Hat:rhel_productivity:5
before 0:2.5.8-1.el5
0:2.5.8-1.el5
pidgin-debuginfo
Red Hat:rhel_productivity:5
before 0:2.5.8-1.el5
0:2.5.8-1.el5
pidgin-devel
Red Hat:rhel_productivity:5
before 0:2.5.8-1.el5
0:2.5.8-1.el5
pidgin-perl
Red Hat:rhel_productivity:5
before 0:2.5.8-1.el5
0:2.5.8-1.el5

History

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

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

In short

CVE-2009-1889 is a medium vulnerability (CVSS 5.0) in Pidgin, published July 1, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.38%, the 88th percentile. Fixed in pidgin 2.5.8-1.

References

Show 20 moreShow less
MoveEnter Open