Input validation error in Pidgin - CVE-2011-1091

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Main Vulnerability Database Vulnerabilities #VU32837

Input validation error in Pidgin - CVE-2011-1091

Published: March 14, 2011 / Updated: July 28, 2020


Vulnerability identifier: #VU32837
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2011-1091
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: pidgin.im
Affected software:
Pidgin

Detailed vulnerability description

The vulnerability allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.


How to mitigate CVE-2011-1091

Update to version 2.7.11.

Sources