Ubuntu Security Notices USN-8735-1 USN-8735-1: HSQLDB vulnerability Publication date 8 September 2026 Overview HSQLDB could be made to overwrite files. Releases 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS Open side navigation Close side navigation Packages Details Update instructions References Packages hsqldb1.8.0 - Java SQL database engine Details It was discovered that HSQLDB incorrectly handled specially crafted database files. An attacker could possibly use this issue to overwrite arbitrary files. It was discovered that HSQLDB incorrectly handled specially crafted database files. An attacker could possibly use this issue to overwrite arbitrary files. Update instructions In general, a standard system update will 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 22.04 LTS jammy libhsqldb1.8.0-java – 1.8.0.10+dfsg-11+deb12u1build0.22.04.1 20.04 LTS focal libhsqldb1.8.0-java – 1.8.0.10+dfsg-10ubuntu0.20.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. 18.04 LTS bionic libhsqldb1.8.0-java – 1.8.0.10+dfsg-10~18.04ubuntu0.18.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. 16.04 LTS xenial libhsqldb1.8.0-java – 1.8.0.10+dfsg-6ubuntu0.16.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. 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-2023-1183 CVE-2023-1183