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Ubuntu Security Notice USN-7708-1
August 20, 2025

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

- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

poppler could be made to denial of service if it received a
specially crafted PDF file.

Software Description:
- poppler: PDF rendering library

Details:

It was discovered that poppler incorrectly handled certain PDF files.
An attacker could possibly use this issue to cause a denial of service.

Update instructions:

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

Ubuntu 25.04
  libpoppler147                   25.03.0-3ubuntu1.2
  poppler-utils                   25.03.0-3ubuntu1.2

Ubuntu 24.04 LTS
  libpoppler134                   24.02.0-1ubuntu9.6
  poppler-utils                   24.02.0-1ubuntu9.6

Ubuntu 22.04 LTS
  libpoppler118                   22.02.0-2ubuntu0.10
  poppler-utils                   22.02.0-2ubuntu0.10

Ubuntu 20.04 LTS
  libpoppler97                    0.86.1-0ubuntu1.7+esm2
                                  Available with Ubuntu Pro
  poppler-utils                   0.86.1-0ubuntu1.7+esm2
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  libpoppler73                    0.62.0-2ubuntu2.14+esm8
                                  Available with Ubuntu Pro
  poppler-utils                   0.62.0-2ubuntu2.14+esm8
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libpoppler58                    0.41.0-0ubuntu1.16+esm8
                                  Available with Ubuntu Pro
  poppler-utils                   0.41.0-0ubuntu1.16+esm8
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-7708-1
  CVE-2025-50420

Package Information:
  https://launchpad.net/ubuntu/+source/poppler/25.03.0-3ubuntu1.2
  https://launchpad.net/ubuntu/+source/poppler/24.02.0-1ubuntu9.6
  https://launchpad.net/ubuntu/+source/poppler/22.02.0-2ubuntu0.10