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CVE-2011-1091

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1)...

4.0 MediumFix available

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

Exploit likelihood

2.64%Up 0.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.0

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

Record
CVE-2011-1091
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

Record
CVE-2011-1091
Updated
2026-11-02
EUVDEUVD-2011-1105 No score

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

Record
EUVD-2011-1105
Updated
2026-11-03
GitHub AdvisoriesGHSA-784h-wwvm-3rvx No score

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1)...

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

Record
GHSA-784h-wwvm-3rvx
Updated
2026-11-02
OSV No score

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

Record
CVE-2011-1091
Updated
2026-11-02
OSVDEBIAN-CVE-2011-1091 No score

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

Record
DEBIAN-CVE-2011-1091
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 2.7.11-1
2.7.11-1
pidgin
Debian:13
 before 2.7.11-1
2.7.11-1
pidgin
Debian:14
 before 2.7.11-1
2.7.11-1
finch
Red Hat:enterprise_linux:6::client
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
finch-devel
Red Hat:enterprise_linux:6::client
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
libpurple-devel
Red Hat:enterprise_linux:6::client
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
libpurple-perl
Red Hat:enterprise_linux:6::client
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
libpurple-tcl
Red Hat:enterprise_linux:6::client
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin
Red Hat:enterprise_linux:6::client
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin-debuginfo
Red Hat:enterprise_linux:6::client
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
Show 88 moreShow less
Affected packages
PackageAffectedFixed
pidgin-devel
Red Hat:enterprise_linux:6::client
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin-docs
Red Hat:enterprise_linux:6::client
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin-perl
Red Hat:enterprise_linux:6::client
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
libpurple
Red Hat:enterprise_linux:6::client
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
finch
Red Hat:enterprise_linux:6::server
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
finch-devel
Red Hat:enterprise_linux:6::server
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
libpurple
Red Hat:enterprise_linux:6::server
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
libpurple-devel
Red Hat:enterprise_linux:6::server
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
libpurple-perl
Red Hat:enterprise_linux:6::server
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
libpurple-tcl
Red Hat:enterprise_linux:6::server
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin
Red Hat:enterprise_linux:6::server
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin-devel
Red Hat:enterprise_linux:6::server
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin-docs
Red Hat:enterprise_linux:6::server
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin-perl
Red Hat:enterprise_linux:6::server
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
finch
Red Hat:enterprise_linux:6::workstation
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
finch-devel
Red Hat:enterprise_linux:6::workstation
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
libpurple-devel
Red Hat:enterprise_linux:6::workstation
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
libpurple-perl
Red Hat:enterprise_linux:6::workstation
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
libpurple-tcl
Red Hat:enterprise_linux:6::workstation
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin
Red Hat:enterprise_linux:6::workstation
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin-debuginfo
Red Hat:enterprise_linux:6::workstation
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin-devel
Red Hat:enterprise_linux:6::workstation
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin-docs
Red Hat:enterprise_linux:6::workstation
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
pidgin-perl
Red Hat:enterprise_linux:6::workstation
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
libpurple
Red Hat:enterprise_linux:6::workstation
 before 0:2.7.9-3.el6
0:2.7.9-3.el6
finch
Red Hat:enterprise_linux:4::as
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
finch-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple
Red Hat:enterprise_linux:4::as
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple-perl
Red Hat:enterprise_linux:4::as
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple-tcl
Red Hat:enterprise_linux:4::as
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin
Red Hat:enterprise_linux:4::as
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin-perl
Red Hat:enterprise_linux:4::as
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
finch
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
finch-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple-perl
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple-tcl
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin-perl
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
finch
Red Hat:enterprise_linux:4::es
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
finch-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple
Red Hat:enterprise_linux:4::es
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple-perl
Red Hat:enterprise_linux:4::es
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple-tcl
Red Hat:enterprise_linux:4::es
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin
Red Hat:enterprise_linux:4::es
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin-perl
Red Hat:enterprise_linux:4::es
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
finch
Red Hat:enterprise_linux:4::ws
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
finch-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple
Red Hat:enterprise_linux:4::ws
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple-perl
Red Hat:enterprise_linux:4::ws
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
libpurple-tcl
Red Hat:enterprise_linux:4::ws
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin
Red Hat:enterprise_linux:4::ws
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
pidgin-perl
Red Hat:enterprise_linux:4::ws
 before 0:2.6.6-7.el4
0:2.6.6-7.el4
finch
Red Hat:enterprise_linux:5::client
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
libpurple
Red Hat:enterprise_linux:5::client
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
libpurple-perl
Red Hat:enterprise_linux:5::client
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
libpurple-tcl
Red Hat:enterprise_linux:5::client
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
pidgin
Red Hat:enterprise_linux:5::client
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
pidgin-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
pidgin-perl
Red Hat:enterprise_linux:5::client
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
finch-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
libpurple-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
pidgin
Red Hat:enterprise_linux:5::client_workstation
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
pidgin-debuginfo
Red Hat:enterprise_linux:5::client_workstation
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
pidgin-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
finch
Red Hat:rhel_productivity:5
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
finch-devel
Red Hat:rhel_productivity:5
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
libpurple
Red Hat:rhel_productivity:5
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
libpurple-devel
Red Hat:rhel_productivity:5
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
libpurple-perl
Red Hat:rhel_productivity:5
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
libpurple-tcl
Red Hat:rhel_productivity:5
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
pidgin
Red Hat:rhel_productivity:5
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
pidgin-debuginfo
Red Hat:rhel_productivity:5
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
pidgin-devel
Red Hat:rhel_productivity:5
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1
pidgin-perl
Red Hat:rhel_productivity:5
 before 0:2.6.6-5.el5_7.1
0:2.6.6-5.el5_7.1

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-2011-1091 is a medium vulnerability (CVSS 4.0) in Pidgin, published March 14, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.64%, the 85th percentile. Fixed in pidgin 2.7.11-1.

References

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