CVE-2016-2378: A buffer overflow vulnerability exists in the handling of the MXIT protocol Pidgin.

Security readout for executives and security teams

Pidgin 2.10.11 has a buffer overflow in its MXIT protocol handling. A malicious MXIT server, or an unfiltered malicious user through that service path, could send malformed data that causes memory corruption. The provided sources do not include CVSS scoring or confirmed active exploitation. Exposure appears limited to environments with Pidgin 2.10.11 installed and MXIT protocol functionality enabled or reachable. Systems not using Pidgin, not on 2.10.11, or not using MXIT are less likely to be affected based on the provided evidence. Treat this as a legacy-client cleanup and targeted patching issue, not an enterprise-wide emergency unless Pidgin 2.10.11 with MXIT is present. Memory corruption raises impact, but exposure appears narrow and active exploitation is not evidenced here. Mitigation focus: Identify and retire any Pidgin 2.10.11 installations where possible.; Apply Pidgin or distribution updates referenced by vendor advisories.; Disable or block MXIT protocol use if updates cannot be applied promptly..

Prepared

Jun 13, 2026, 12:51 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.