CVE-2009-3084

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-09-08 · updated 2026-06-16
Weakness: CWE-20

Description

The msn_slp_process_msg function in libpurple/protocols/msn/slpcall.c in the MSN protocol plugin in libpurple 2.6.0 and 2.6.1, as used in Pidgin before 2.6.2, allows remote attackers to cause a denial of service (application crash) via a handwritten (aka Ink) message, related to an uninitialized variable and the incorrect "UTF16-LE" charset name.

Affected products

Pidgin Libpurple: 2.6.0, 2.6.1
Pidgin: through 2.6.1; 2.0.0, 2.0.1, 2.0.2, 2.1.0, 2.1.1, 2.2.0 (+28)

References

http://developer.pidgin.im/viewmtn/revision/diff/92ce3e48744b40fb0fea89e3de5e44bedb100c07/with/567e16cbc46168f52482e5ec27626c48e7a5ba95/libpurple/protocols/msn/slpcall.c
http://developer.pidgin.im/viewmtn/revision/info/567e16cbc46168f52482e5ec27626c48e7a5ba95
http://secunia.com/advisories/36601
http://www.pidgin.im/news/security/index.php?id=38
http://www.securityfocus.com/bid/36277
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6338
http://developer.pidgin.im/viewmtn/revision/diff/92ce3e48744b40fb0fea89e3de5e44bedb100c07/with/567e16cbc46168f52482e5ec27626c48e7a5ba95/libpurple/protocols/msn/slpcall.c
http://developer.pidgin.im/viewmtn/revision/info/567e16cbc46168f52482e5ec27626c48e7a5ba95
http://secunia.com/advisories/36601
http://www.pidgin.im/news/security/index.php?id=38
http://www.securityfocus.com/bid/36277
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6338

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