A poppler security update has been released for Ubuntu Linux 20.04 LTS, 22.04 LTS, and 23.04.

[USN-6273-1] poppler vulnerabilities

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Ubuntu Security Notice USN-6273-1
August 03, 2023

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

- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

poppler could be made to crash if it opened a specially crafted file.

Software Description:
- poppler: PDF rendering library

Details:

Jieyong Ma discovered that poppler incorrectly handled certain malformed
PDF files. A remote attacker could possibly use this issue to cause poppler
to crash, resulting in a denial of service. This issue only affected Ubuntu
20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-27337)

It was discovered that poppler incorrectly handled certain malformed PDF
files. A remote attacker could possibly use this issue to cause poppler to
crash, resulting in a denial of service. This issue only affected Ubuntu
22.04 LTS and Ubuntu 23.04. (CVE-2023-34872)

Update instructions:

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

Ubuntu 23.04:
libpoppler126 22.12.0-2ubuntu1.1

Ubuntu 22.04 LTS:
libpoppler118 22.02.0-2ubuntu0.2

Ubuntu 20.04 LTS:
libpoppler97 0.86.1-0ubuntu1.2

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

References:
https://ubuntu.com/security/notices/USN-6273-1
CVE-2022-27337, CVE-2023-34872

Package Information:
https://launchpad.net/ubuntu/+source/poppler/22.12.0-2ubuntu1.1
https://launchpad.net/ubuntu/+source/poppler/22.02.0-2ubuntu0.2
https://launchpad.net/ubuntu/+source/poppler/0.86.1-0ubuntu1.2