CVE-2008-7219: Horde Kronolith H3 2.1 before 2.1.7 and 2.2 before 2.2-RC2; Nag H3 2.1 before 2.1.4 and 2.2 before 2.2-RC2;...

Security readout for executives and security teams

This is an old Horde groupware issue where some calendar, task, memo, and groupware components did not properly verify ownership during share changes. The public record does not state the impact or attack path, so urgency depends on whether these legacy Horde versions still exist in your environment. Likely exposure is limited to legacy Horde H3 or Horde Groupware deployments running the affected pre-2008 fixed versions. Internet-facing webmail or shared groupware portals deserve priority review, but the source bundle does not prove broad current exposure. Do not treat this as a confirmed emergency from the public evidence alone. Treat it as a legacy exposure check: if old Horde groupware is still deployed, especially externally, prioritize upgrade, isolation, or retirement because ownership checks protect shared user data boundaries. Mitigation focus: Inventory Horde Kronolith, Nag, Mnemo, Groupware, and Webmail Edition installations.; Upgrade to the fixed releases named by Horde or later supported versions.; Prioritize retirement or isolation of internet-facing legacy Horde deployments..

Prepared

Jun 28, 2026, 10:26 UTC (UTC+00:00)

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