USN-5026-1 fixed several vulnerabilities in QPDF. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details:
It was discovered that QPDF incorrectly handled certain malformed PDF files. A remote attacker could use this issue to cause QPDF to consume resources, resulting in a denial of service. (CVE-2018-18020)
It was discovered that QPDF incorrectly handled certain malformed PDF files. A remote attacker could use this issue to cause QPDF to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-36978)
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "libqpdf21": "8.0.2-3~16.04.1+esm1", "qpdf-dbgsym": "8.0.2-3~16.04.1+esm1", "qpdf": "8.0.2-3~16.04.1+esm1", "libqpdf-dev": "8.0.2-3~16.04.1+esm1", "libqpdf21-dbgsym": "8.0.2-3~16.04.1+esm1" } ] }