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Ubuntu Poppler Update Stops Crashes When Opening Encrypted PDFs

Ubuntu Poppler Update Stops Crashes When Opening Encrypted PDFs

Linuxsecurity •LinuxSecurity Advisories • October 21, 2026

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poppler could be made to crash if it opened a specially crafted file. Software Description: - poppler: PDF rendering library Details: It was discovered that poppler incorrectly handled the password length limit when decrypting certain encrypted PDF files. An attacker could possibly use this issue to cause a denial of service.

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

Software Description:

- poppler: PDF rendering library

It was discovered that poppler incorrectly handled the password length

limit when decrypting certain encrypted PDF files. An attacker could

possibly use this issue to cause a denial of service.

The problem can be corrected by updating your system to the following package versions: Ubuntu 26.10 libpoppler162 26.07.0-2ubuntu1.1 Ubuntu 26.04 LTS libpoppler156 26.01.0-2ubuntu0.3 Ubuntu 24.04 LTS libpoppler134 24.02.0-1ubuntu9.11 Ubuntu 22.04 LTS libpoppler118 22.02.0-2ubuntu0.15 In general, a standard system update will make all the necessary changes.

Ubuntu Security Notice USN-8950-1

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