GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in asn1expandobjectid(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "negligible", "binaries": [ { "libtasn1-6-dbgsym": "4.7-3ubuntu0.16.04.3+esm2", "libtasn1-6": "4.7-3ubuntu0.16.04.3+esm2", "libtasn1-3-bin": "4.7-3ubuntu0.16.04.3+esm2", "libtasn1-bin": "4.7-3ubuntu0.16.04.3+esm2", "libtasn1-6-dev": "4.7-3ubuntu0.16.04.3+esm2", "libtasn1-bin-dbgsym": "4.7-3ubuntu0.16.04.3+esm2", "libtasn1-doc": "4.7-3ubuntu0.16.04.3+esm2" } ] }