Several security issues were fixed in curl.
Thomas Vegas discovered that curl incorrectly handled memory when using Kerberos over FTP. A remote attacker could use this issue to crash curl, resulting in a denial of service. (CVE-2019-5481)
11 September 2019
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in curl.
Thomas Vegas discovered that curl incorrectly handled memory when using Kerberos over FTP. A remote attacker could use this issue to crash curl, resulting in a denial of service. (CVE-2019-5481)
Thomas Vegas discovered that curl incorrectly handled memory during TFTP transfers. A remote attacker could use this issue to crash curl, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2019-5482)
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.