USN-5026-2: QPDF vulnerabilities

02 August 2021

Several security issues were fixed in QPDF.

Releases

Packages

  • qpdf - tools for transforming and inspecting PDF files

Details

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)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

Related notices

  • USN-5026-1: libqpdf21, libqpdf-dev, qpdf, libqpdf26