Ubuntu Security Notices USN-8055-1 USN-8055-1: Evolution Data Server vulnerability Publication date 23 February 2026 Overview Evolution Data Server could be made to remove files. Releases 25.10 24.04 LTS 22.04 LTS Open side navigation Close side navigation Packages Details Update instructions References Packages evolution-data-server - Evolution suite data server Details It was discovered that Evolution Data Server incorrectly handled removing local cache files. An attacker could possibly use this issue to cause Evolution Data Server to remove arbitrary files. It was discovered that Evolution Data Server incorrectly handled removing local cache files. An attacker could possibly use this issue to cause Evolution Data Server to remove arbitrary files. Update instructions After a standard system update you need to restart your session to make all the necessary changes. Learn more about how to get the fixes. The problem can be corrected by updating your system to the following package versions: Ubuntu Release Package Version 25.10 questing evolution-data-server – 3.56.2-3ubuntu0.1 evolution-data-server-common – 3.56.2-3ubuntu0.1 libcamel-1.2-64t64 – 3.56.2-3ubuntu0.1 libebackend-1.2-11t64 – 3.56.2-3ubuntu0.1 libebook-1.2-21t64 – 3.56.2-3ubuntu0.1 libebook-contacts-1.2-4t64 – 3.56.2-3ubuntu0.1 libecal-2.0-3 – 3.56.2-3ubuntu0.1 libedata-book-1.2-27t64 – 3.56.2-3ubuntu0.1 libedata-cal-2.0-2t64 – 3.56.2-3ubuntu0.1 libedataserver-1.2-27t64 – 3.56.2-3ubuntu0.1 libedataserverui-1.2-4t64 – 3.56.2-3ubuntu0.1 libedataserverui4-1.0-0t64 – 3.56.2-3ubuntu0.1 24.04 LTS noble evolution-data-server – 3.52.3-0ubuntu1.2 evolution-data-server-common – 3.52.3-0ubuntu1.2 libcamel-1.2-64t64 – 3.52.3-0ubuntu1.2 libebackend-1.2-11t64 – 3.52.3-0ubuntu1.2 libebook-1.2-21t64 – 3.52.3-0ubuntu1.2 libebook-contacts-1.2-4t64 – 3.52.3-0ubuntu1.2 libecal-2.0-3 – 3.52.3-0ubuntu1.2 libedata-book-1.2-27t64 – 3.52.3-0ubuntu1.2 libedata-cal-2.0-2t64 – 3.52.3-0ubuntu1.2 libedataserver-1.2-27t64 – 3.52.3-0ubuntu1.2 libedataserverui-1.2-4t64 – 3.52.3-0ubuntu1.2 libedataserverui4-1.0-0t64 – 3.52.3-0ubuntu1.2 22.04 LTS jammy evolution-data-server – 3.44.4-0ubuntu1.2 evolution-data-server-common – 3.44.4-0ubuntu1.2 libcamel-1.2-63 – 3.44.4-0ubuntu1.2 libebackend-1.2-10 – 3.44.4-0ubuntu1.2 libebook-1.2-20 – 3.44.4-0ubuntu1.2 libebook-contacts-1.2-3 – 3.44.4-0ubuntu1.2 libecal-2.0-1 – 3.44.4-0ubuntu1.2 libedata-book-1.2-26 – 3.44.4-0ubuntu1.2 libedata-cal-2.0-1 – 3.44.4-0ubuntu1.2 libedataserver-1.2-26 – 3.44.4-0ubuntu1.2 libedataserverui-1.2-3 – 3.44.4-0ubuntu1.2 Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. Get Ubuntu Pro References CVE-2026-2604 CVE-2026-2604