A pdftk security update has been released for Debian GNU/Linux 8 and 9 Extended LTS to address a vulnerable that can result in an infinite loop.
ELA-684-1 pdftk security update
Package pdftk
ELA-684-1 pdftk security update
Version 2.02-2+deb8u1 (jessie), 2.02-4+deb9u1 (stretch)
Related CVEs CVE-2021-37819
It was found that PDFtk, a tool for manipulating PDF documents, was vulnerable to an infinite loop if a crafted file was processed, which could result in denial of service.
For Debian 8 jessie, these problems have been fixed in version 2.02-2+deb8u1.
For Debian 9 stretch, these problems have been fixed in version 2.02-4+deb9u1.
We recommend that you upgrade your pdftk packages.
Further information about Extended LTS security advisories can be found at: https://deb.freexian.com/extended-lts/
