Applications using libpcap could be made to crash if given specially crafted data.
It was discovered that libpcap did not properly validate PHB headers in some situations. An attacker could use this to cause a denial of service (memory exhaustion).
11 December 2019
A security issue affects these releases of Ubuntu and its derivatives:
Applications using libpcap could be made to crash if given specially crafted data.
It was discovered that libpcap did not properly validate PHB headers in some situations. An attacker could use this to cause a denial of service (memory exhaustion).
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.
Vulmon