Gentoo Linux Security Advisory 201209-17 - A buffer overflow in Pidgin might allow remote attackers to execute arbitrary code or cause Denial of Service. Versions less than 2.10.6 are affected.
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Red Hat Security Advisory 2012-1102-01 - Pidgin is an instant messaging program which can log in to multiple accounts on multiple instant messaging networks simultaneously. A flaw was found in the way the Pidgin MSN protocol plug-in processed text that was not encoded in UTF-8. A remote attacker could use this flaw to crash Pidgin by sending a specially-crafted MSN message. An input validation flaw was found in the way the Pidgin MSN protocol plug-in handled MSN notification messages. A malicious server or a remote attacker could use this flaw to crash Pidgin by sending a specially-crafted MSN notification message.
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Slackware Security Advisory - New pidgin packages are available for Slackware 12.2, 13.0, 13.1, 13.37, and -current to fix security issues.
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Mandriva Linux Security Advisory 2012-105 - Incorrect handing of inline images in incoming instant messages can cause a buffer overflow and in some cases can be exploited to execute arbitrary code. This update provides pidgin 2.10.6, which is not vulnerable to this issue.
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Ubuntu Security Notice 1500-1 - Evgeny Boger discovered that Pidgin incorrectly handled buddy list messages in the AIM and ICQ protocol handlers. A remote attacker could send a specially crafted message and cause Pidgin to crash, leading to a denial of service. This issue only affected Ubuntu 10.04 LTS, 11.04 and 11.10. Thijs Alkemade discovered that Pidgin incorrectly handled malformed voice and video chat requests in the XMPP protocol handler. A remote attacker could send a specially crafted message and cause Pidgin to crash, leading to a denial of service. This issue only affected Ubuntu 10.04 LTS, 11.04 and 11.10. Various other issues were also addressed.
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Debian Linux Security Advisory 2509-1 - Ulf Harnhammar found a buffer overflow in Pidgin, a multi protocol instant messaging client. The vulnerability can be exploited by an incoming message in the MXit protocol plugin. A remote attacker may cause a crash, and in some circumstances can lead to remote code execution.
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