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Debian LTS Advisory DLA-2856-1                [email protected]
https://www.debian.org/lts/security/                          Adrian Bunk
December 27, 2021                             https://wiki.debian.org/LTS
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Package        : okular
Version        : 4:16.08.2-1+deb9u2
CVE ID         : CVE-2020-9359
Debian Bug     : 954891

Code execution via an action link in a PDF document was fixed in the
KDE document viewer Okular.

For Debian 9 stretch, this problem has been fixed in version
4:16.08.2-1+deb9u2.

We recommend that you upgrade your okular packages.

For the detailed security status of okular please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/okular

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS