Debian Security Advisory

DLA-3263-1 libtasn1-6 -- LTS security update

Date Reported:
09 Jan 2023
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-46848.
More information:

It was discovered that there was an off-by-one array size issue in libtasn1-6, a library to manage the generic ASN.1 data structure.

  • CVE-2021-46848

    GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.

For Debian 10 Buster, this problem has been fixed in version 4.13-3+deb10u1.

We recommend that you upgrade your libtasn1-6 packages.

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