Multiple vulnerabilities were discovered in the poppler PDF rendering library, which could result in denial of service or the execution of arbitrary code if a malformed PDF file is processed.
For the oldstable distribution (jessie), these problems have been fixed in version 0.26.5-2+deb8u2.
For the stable distribution (stretch), these problems have been fixed in version 0.48.0-2+deb9u1.
We recommend that you upgrade your poppler packages.
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/