Debian Security Advisory

DLA-3071-1 libtirpc -- LTS security update

Date Reported:
11 Aug 2022
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 1015873.
In Mitre's CVE dictionary: CVE-2021-46828.
More information:

It was discovered that libtirpc, a transport-independent RPC library, does not properly handle idle TCP connections. A remote attacker can take advantage of this flaw to cause a denial of service.

For Debian 10 buster, this problem has been fixed in version 1.1.4-0.4+deb10u1.

We recommend that you upgrade your libtirpc packages.

For the detailed security status of libtirpc please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: