USN-4221-2: libpcap vulnerability
15 January 2020
Applications using libpcap could be made to crash if given specially crafted data.
Releases
Packages
- libpcap - Library for for user-level network packet capture
Details
USN-4221-1 fixed a vulnerability in libpcap. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
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).
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-4221-1: libpcap0.8-dev, libpcap-dev, libpcap0.8, libpcap