CVE-2009-1374
Buffer overflow in the decrypt_out function in Pidgin (formerly Gaim) before 2.5.6 allows remote...
5.0 MediumFix available
Buffer overflow in the decrypt_out function in Pidgin (formerly Gaim) before 2.5.6 allows remote attackers to cause a denial of service (application crash) via a QQ packet.
Exploit likelihood
2.54%Down 1.8 points since Feb 4, 2022
What each source reports
NVD Score used
Buffer overflow in the decrypt_out function in Pidgin (formerly Gaim) before 2.5.6 allows remote attackers to cause a denial of service (application crash) via a QQ packet.
- Record
CVE-2009-1374- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Buffer overflow in the decrypt_out function in Pidgin (formerly Gaim) before 2.5.6 allows remote attackers to cause a denial of service (application crash) via a QQ packet.
- Record
CVE-2009-1374- Updated
- 2026-11-02
EUVDEUVD-2009-1372 No score
Buffer overflow in the decrypt_out function in Pidgin (formerly Gaim) before 2.5.6 allows remote attackers to cause a denial of service (application crash) via a QQ packet.
- Record
EUVD-2009-1372- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xqc5-v83h-8w57 No score
Buffer overflow in the decrypt_out function in Pidgin (formerly Gaim) before 2.5.6 allows remote...
Buffer overflow in the decrypt_out function in Pidgin (formerly Gaim) before 2.5.6 allows remote attackers to cause a denial of service (application crash) via a QQ packet.
- Record
GHSA-xqc5-v83h-8w57- Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
Buffer overflow in the decrypt_out function in Pidgin (formerly Gaim) before 2.5.6 allows remote attackers to cause a denial of service (application crash) via a QQ packet.
- Record
CVE-2009-1374- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-1374 No score
Buffer overflow in the decrypt_out function in Pidgin (formerly Gaim) before 2.5.6 allows remote attackers to cause a denial of service (application crash) via a QQ packet.
- Record
DEBIAN-CVE-2009-1374- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pidginDebian:12 |
before 2.5.6-1 | 2.5.6-1 |
pidginDebian:13 |
before 2.5.6-1 | 2.5.6-1 |
pidginDebian:14 |
before 2.5.6-1 | 2.5.6-1 |
finchRed 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-develRed Hat:enterprise_linux:4::as From an advisory covering 4 CVEs |
before 0:2.5.5-2.el4 | 0:2.5.5-2.el4 |
libpurpleRed 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-develRed 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-perlRed 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-tclRed Hat:enterprise_linux:4::as From an advisory covering 4 CVEs |
before 0:2.5.5-2.el4 | 0:2.5.5-2.el4 |
pidginRed 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 45 moreShow less
| Package | Affected | Fixed |
|---|---|---|
pidgin-debuginfoRed 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-develRed 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-perlRed Hat:enterprise_linux:4::as From an advisory covering 4 CVEs |
before 0:2.5.5-2.el4 | 0:2.5.5-2.el4 |
finchRed 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-develRed Hat:enterprise_linux:4::desktop From an advisory covering 4 CVEs |
before 0:2.5.5-2.el4 | 0:2.5.5-2.el4 |
libpurpleRed 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-develRed 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-perlRed 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-tclRed Hat:enterprise_linux:4::desktop From an advisory covering 4 CVEs |
before 0:2.5.5-2.el4 | 0:2.5.5-2.el4 |
pidginRed 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-debuginfoRed 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-develRed 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-perlRed Hat:enterprise_linux:4::desktop From an advisory covering 4 CVEs |
before 0:2.5.5-2.el4 | 0:2.5.5-2.el4 |
finchRed 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-develRed Hat:enterprise_linux:4::es From an advisory covering 4 CVEs |
before 0:2.5.5-2.el4 | 0:2.5.5-2.el4 |
libpurpleRed 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-develRed 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-perlRed 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-tclRed Hat:enterprise_linux:4::es From an advisory covering 4 CVEs |
before 0:2.5.5-2.el4 | 0:2.5.5-2.el4 |
pidginRed 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-debuginfoRed 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-develRed 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-perlRed Hat:enterprise_linux:4::es From an advisory covering 4 CVEs |
before 0:2.5.5-2.el4 | 0:2.5.5-2.el4 |
finchRed 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-develRed Hat:enterprise_linux:4::ws From an advisory covering 4 CVEs |
before 0:2.5.5-2.el4 | 0:2.5.5-2.el4 |
libpurpleRed 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-develRed 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-perlRed 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-tclRed Hat:enterprise_linux:4::ws From an advisory covering 4 CVEs |
before 0:2.5.5-2.el4 | 0:2.5.5-2.el4 |
pidginRed 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-debuginfoRed 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-develRed 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-perlRed 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-develRed 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-develRed 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 |
pidginRed 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-debuginfoRed 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-develRed 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 |
finchRed Hat:enterprise_linux:5::client From an advisory covering 4 CVEs |
before 0:2.5.5-3.el5 | 0:2.5.5-3.el5 |
libpurpleRed 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-perlRed 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-tclRed Hat:enterprise_linux:5::client From an advisory covering 4 CVEs |
before 0:2.5.5-3.el5 | 0:2.5.5-3.el5 |
pidginRed 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-debuginfoRed 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-perlRed 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
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-1374 is a medium vulnerability (CVSS 5.0) in Pidgin, published May 26, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.54%, the 85th percentile. Fixed in pidgin 2.5.6-1.
References
redhat.com/archives/fedora-package-announce/2009-June/msg00075.html
exchange.xforce.ibmcloud.com/vulnerabilities/50684
gentoo.org/security/en/glsa/glsa-200905-07.xml
securityfocus.com/bid/35067
Show 33 moreShow less
secunia.com/advisories/35329
pidgin.im/news/security?id=30
ubuntu.com/usn/USN-781-1
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11654
vupen.com/english/advisories/2009/1396
mandriva.com/security/advisories?name=MDVSA-2009:173
bugzilla.redhat.com/show_bug.cgi?id=500490
nvd.nist.gov/vuln/detail/CVE-2009-1374
github.com/advisories/GHSA-xqc5-v83h-8w57
security-tracker.debian.org/tracker/CVE-2009-1374
access.redhat.com/errata/RHSA-2009:1060
security.access.redhat.com/data/csaf/v2/advisories/2009/rhsa-2009_1060.json
cve.org/CVERecord?id=CVE-2009-1373