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CVE-2009-1375

The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly...

5.0 MediumFix available

The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly maintain a certain buffer, which allows remote attackers to cause a denial of service (memory corruption and application crash) via vectors involving the (1) XMPP or (2) Sametime protocol.

Exploit likelihood

2.31%Down 2.0 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly maintain a certain buffer, which allows remote attackers to cause a denial of service (memory corruption and application crash) via vectors involving the (1) XMPP or (2) Sametime protocol.

Record
CVE-2009-1375
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

The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly maintain a certain buffer, which allows remote attackers to cause a denial of service (memory corruption and application crash) via vectors involving the (1) XMPP or (2) Sametime protocol.

Record
CVE-2009-1375
Updated
2026-11-02
EUVDEUVD-2009-1373 No score

The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly maintain a certain buffer, which allows remote attackers to cause a denial of service (memory corruption and application crash) via vectors involving the (1) XMPP or (2) Sametime protocol.

Record
EUVD-2009-1373
Updated
2026-11-03
GitHub AdvisoriesGHSA-5p6v-j9j4-qvgx No score

The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly...

The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly maintain a certain buffer, which allows remote attackers to cause a denial of service (memory corruption and application crash) via vectors involving the (1) XMPP or (2) Sametime protocol.

Record
GHSA-5p6v-j9j4-qvgx
Weakness
CWE-119
Updated
2026-11-02
OSV No score

The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly maintain a certain buffer, which allows remote attackers to cause a denial of service (memory corruption and application crash) via vectors involving the (1) XMPP or (2) Sametime protocol.

Record
CVE-2009-1375
Updated
2026-11-02
OSVDEBIAN-CVE-2009-1375 No score

The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly maintain a certain buffer, which allows remote attackers to cause a denial of service (memory corruption and application crash) via vectors involving the (1) XMPP or (2) Sametime protocol.

Record
DEBIAN-CVE-2009-1375
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
pidgin
Debian:12
 before 2.5.6-1
2.5.6-1
pidgin
Debian:13
 before 2.5.6-1
2.5.6-1
pidgin
Debian:14
 before 2.5.6-1
2.5.6-1
pidgin
Debian:5.0
From an advisory covering 4 CVEs
 before 2.4.3-4lenny2, plus listed versions
2.4.3-42.4.3-4lenny12.4.3-4lenny1~bpo40+12.4.3-4lenny1~volatile02.4.3-4lenny2~bpo40+1
2.4.3-4lenny2
finch
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
finch-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple-perl
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple-tcl
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
Show 46 moreShow less
Affected packages
PackageAffectedFixed
pidgin
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin-perl
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
finch
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
finch-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple-perl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple-tcl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin-perl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
finch
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
finch-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple-perl
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple-tcl
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin-perl
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
finch
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
finch-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple-perl
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
libpurple-tcl
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
pidgin-perl
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:2.5.5-2.el4
0:2.5.5-2.el4
finch-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:2.5.5-3.el5
0:2.5.5-3.el5
libpurple-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:2.5.5-3.el5
0:2.5.5-3.el5
pidgin
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:2.5.5-3.el5
0:2.5.5-3.el5
pidgin-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:2.5.5-3.el5
0:2.5.5-3.el5
pidgin-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:2.5.5-3.el5
0:2.5.5-3.el5
finch
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.5.5-3.el5
0:2.5.5-3.el5
libpurple
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.5.5-3.el5
0:2.5.5-3.el5
libpurple-perl
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.5.5-3.el5
0:2.5.5-3.el5
libpurple-tcl
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.5.5-3.el5
0:2.5.5-3.el5
pidgin
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.5.5-3.el5
0:2.5.5-3.el5
pidgin-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.5.5-3.el5
0:2.5.5-3.el5
pidgin-perl
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:2.5.5-3.el5
0:2.5.5-3.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-2009-1375 is a medium vulnerability (CVSS 5.0) in Pidgin, published May 22, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.31%, the 83rd percentile. Fixed in pidgin 2.5.6-1.

References

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