Several security issues were fixed in SQLite.
It was discovered that SQLite incorrectly handled certain corruped schemas. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-8740)
10 June 2020
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in SQLite.
It was discovered that SQLite incorrectly handled certain corruped schemas. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-8740)
It was discovered that SQLite incorrectly handled certain SELECT statements. An attacker could possibly use this issue to cause a denial of service. This issue was only addressed in Ubuntu 19.10. (CVE-2019-19603)
It was discovered that SQLite incorrectly handled certain self-referential views. An attacker could possibly use this issue to cause a denial of service. This issue was only addressed in Ubuntu 19.10. (CVE-2019-19645)
Henry Liu discovered that SQLite incorrectly handled certain malformed window-function queries. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 19.10 and Ubuntu 20.04 LTS. (CVE-2020-11655)
It was discovered that SQLite incorrectly handled certain string operations. An attacker could use this issue to cause SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-13434)
It was discovered that SQLite incorrectly handled certain expressions. An attacker could use this issue to cause SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 19.10 and Ubuntu 20.04 LTS. (CVE-2020-13435)
It was discovered that SQLite incorrectly handled certain fts3 queries. An attacker could use this issue to cause SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-13630)
It was discovered that SQLite incorrectly handled certain virtual table names. An attacker could possibly use this issue to cause a denial of service. This issue was only addressed in Ubuntu 19.10 and Ubuntu 20.04 LTS. (CVE-2020-13631)
It was discovered that SQLite incorrectly handled certain fts3 queries. An attacker could use this issue to cause SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-13632)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.