========================================================================== Ubuntu Security Notice USN-7687-1 August 06, 2025
poppler vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in poppler.
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
16.04 LTS and Ubuntu 18.04 LTS. (CVE-2022-27337)
Kevin Backhouse discovered that poppler incorrectly handled documents with
a large number of annotations. If a user or automated system were tricked
into opening a specially crafted document, a remote attacker could use
this issue to cause poppler to consume resources, leading to a denial of
service, or possibly execute arbitrary code. (CVE-2025-52886)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS
libpoppler97 0.86.1-0ubuntu1.7+esm1
Available with Ubuntu Pro
poppler-utils 0.86.1-0ubuntu1.7+esm1
Available with Ubuntu Pro
Ubuntu 18.04 LTS
libpoppler73 0.62.0-2ubuntu2.14+esm7
Available with Ubuntu Pro
poppler-utils 0.62.0-2ubuntu2.14+esm7
Available with Ubuntu Pro
Ubuntu 16.04 LTS
libpoppler58 0.41.0-0ubuntu1.16+esm7
Available with Ubuntu Pro
poppler-utils 0.41.0-0ubuntu1.16+esm7
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7687-1
CVE-2022-27337, CVE-2025-52886
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