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CVE-2011-4601

family_feedbag.c in the oscar protocol plugin in libpurple in Pidgin before 2.10.1 does not...

5.0 MediumFix available

family_feedbag.c in the oscar protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted (1) AIM or (2) ICQ message associated with buddy-list addition.

Exploit likelihood

4.53%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

family_feedbag.c in the oscar protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted (1) AIM or (2) ICQ message associated with buddy-list addition.

Record
CVE-2011-4601
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

family_feedbag.c in the oscar protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted (1) AIM or (2) ICQ message associated with buddy-list addition.

Record
CVE-2011-4601
Updated
2026-11-02
EUVDEUVD-2011-4525 No score

family_feedbag.c in the oscar protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted (1) AIM or (2) ICQ message associated with buddy-list addition.

Record
EUVD-2011-4525
Updated
2026-11-03
GitHub AdvisoriesGHSA-j8rm-cj64-mfw6 No score

family_feedbag.c in the oscar protocol plugin in libpurple in Pidgin before 2.10.1 does not...

family_feedbag.c in the oscar protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted (1) AIM or (2) ICQ message associated with buddy-list addition.

Record
GHSA-j8rm-cj64-mfw6
Weakness
CWE-20
Updated
2026-11-02
OSV No score

family_feedbag.c in the oscar protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted (1) AIM or (2) ICQ message associated with buddy-list addition.

Record
CVE-2011-4601
Updated
2026-11-02
OSVDEBIAN-CVE-2011-4601 No score

family_feedbag.c in the oscar protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted (1) AIM or (2) ICQ message associated with buddy-list addition.

Record
DEBIAN-CVE-2011-4601
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
pidgin
Debian:12
 before 2.10.1-1
2.10.1-1
pidgin
Debian:13
 before 2.10.1-1
2.10.1-1
pidgin
Debian:14
 before 2.10.1-1
2.10.1-1
finch
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
finch-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple-perl
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple-tcl
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
Show 88 moreShow less
Affected packages
PackageAffectedFixed
pidgin-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin-perl
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
finch
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
finch-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple-perl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple-tcl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin-perl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
finch
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
finch-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple-perl
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple-tcl
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin-perl
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
finch
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
finch-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple-perl
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
libpurple-tcl
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
pidgin-perl
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
 before 0:2.6.6-10.el4
0:2.6.6-10.el4
finch
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
libpurple
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
libpurple-perl
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
libpurple-tcl
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
pidgin
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
pidgin-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
pidgin-perl
Red Hat:enterprise_linux:5::client
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
finch-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
libpurple-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
pidgin
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
pidgin-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
pidgin-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
finch
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
finch-devel
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
libpurple
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
libpurple-devel
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
libpurple-perl
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
libpurple-tcl
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
pidgin
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
pidgin-debuginfo
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
pidgin-devel
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
pidgin-perl
Red Hat:rhel_productivity:5
From an advisory covering 3 CVEs
 before 0:2.6.6-5.el5_7.4
0:2.6.6-5.el5_7.4
libpurple
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin-debuginfo
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
finch
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
finch-devel
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
libpurple-devel
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
libpurple-perl
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
libpurple-tcl
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin-devel
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin-docs
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin-perl
Red Hat:enterprise_linux:6::client
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
finch
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
finch-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
libpurple
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
libpurple-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
libpurple-perl
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
libpurple-tcl
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin-docs
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin-perl
Red Hat:enterprise_linux:6::server
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
libpurple
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin-debuginfo
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
finch
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
finch-devel
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
libpurple-devel
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
libpurple-perl
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
libpurple-tcl
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin-devel
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin-docs
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2
pidgin-perl
Red Hat:enterprise_linux:6::workstation
From an advisory covering 2 CVEs
 before 0:2.7.9-3.el6.2
0:2.7.9-3.el6.2

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-2011-4601 is a medium vulnerability (CVSS 5.0) in Pidgin, published December 25, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.53%, the 91st percentile. Fixed in pidgin 2.10.1-1.

References

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