Debian Security Advisory

DLA-2487-1 apt -- LTS security update

Date Reported:
10 Dec 2020
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2020-27350.
More information:

It was discovered that missing input validation in the ar/tar implementations of APT, the high level package manager, could cause out-of-bounds reads or infinite loops, resulting in denial of service when processing malformed deb files.

For Debian 9 stretch, this problem has been fixed in version 1.4.11.

We recommend that you upgrade your apt packages.

For the detailed security status of apt 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: