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Ubuntu Security Notice USN-6508-1
November 23, 2023
poppler vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
Summary:
Several security issues were fixed in poppler.
Software Description:
- poppler: PDF rendering library
Details:
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. This issue only affected Ubuntu 16.04
LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-23804)
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-2022-37050, CVE-2022-37051,
CVE-2022-37052, CVE-2022-38349)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS:
  libpoppler118                   22.02.0-2ubuntu0.3
  poppler-utils                   22.02.0-2ubuntu0.3
Ubuntu 20.04 LTS:
  libpoppler97                    0.86.1-0ubuntu1.4
  poppler-utils                   0.86.1-0ubuntu1.4
Ubuntu 18.04 LTS (Available with Ubuntu Pro):
  libpoppler73                    0.62.0-2ubuntu2.14+esm2
  poppler-utils                   0.62.0-2ubuntu2.14+esm2
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  libpoppler58                    0.41.0-0ubuntu1.16+esm4
  poppler-utils                   0.41.0-0ubuntu1.16+esm4
In general, a standard system update will make all the necessary changes.
References:
  https://ubuntu.com/security/notices/USN-6508-1
  CVE-2020-23804, CVE-2022-37050, CVE-2022-37051, CVE-2022-37052,
  CVE-2022-38349
Package Information:
  https://launchpad.net/ubuntu/+source/poppler/22.02.0-2ubuntu0.3
  https://launchpad.net/ubuntu/+source/poppler/0.86.1-0ubuntu1.4