A PDFResurrect security update has been released for Ubuntu 16.04 LTS.

USN-4642-1: PDFResurrect vulnerability

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Ubuntu Security Notice USN-4642-1
November 24, 2020

pdfresurrect vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS

Summary:

PDFResurrect could be made to crash or run programs as your login if it
opened a specially crafted file.

Software Description:
- pdfresurrect: tool for extracting versioning data from PDF documents

Details:

It was discovered that PDFResurrect incorrectly handled certain memory
operations during PDF summary generation. An attacker could use this to
cause out-of-bounds writes, resulting in a denial of service (system crash)
or arbitrary code execution.

Update instructions:

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

Ubuntu 16.04 LTS:
pdfresurrect 0.12-6ubuntu0.2

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

References:
  https://usn.ubuntu.com/4642-1
CVE-2020-9549

Package Information:
  https://launchpad.net/ubuntu/+source/pdfresurrect/0.12-6ubuntu0.2