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A poppler security update has been released for Ubuntu Linux 16.04 LTS, 18.04 LTS, and 20.04 LTS.

[USN-6299-1] poppler vulnerabilities

Ubuntu Security Notice USN-6299-1
August 17, 2023

poppler vulnerabilities

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)


Several security issues were fixed in poppler.

Software Description:
- poppler: PDF rendering library


It was discovered that poppler incorrectly handled certain malformed PDF
files. If a user or an automated system were tricked into opening a
specially crafted PDF file, a remote attacker could possibly use this
issue to cause a denial of service. (CVE-2020-36023, CVE-2020-36024)

Update instructions:

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

Ubuntu 20.04 LTS:
  libpoppler97                    0.86.1-0ubuntu1.3

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
  libpoppler73                    0.62.0-2ubuntu2.14+esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  libpoppler58                    0.41.0-0ubuntu1.16+esm3

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

  CVE-2020-36023, CVE-2020-36024

Package Information: