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[SECURITY] [DLA 3507-1] pandoc security update

Debian LTS Advisory DLA-3507-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                       Guilhem Moulin
July 25, 2023                                 https://wiki.debian.org/LTS

Package        : pandoc
Version        : 2.2.1-3+deb10u1
CVE ID         : CVE-2023-35936 CVE-2023-38745
Debian Bug     : 1041976

Arbitrary file write vulnerabilities were discovered in pandoc, an
Haskell library and CLI tool for converting from one markup format to
another.  These vulnerabilities can be triggered by providing a
specially crafted image element in the input when generating files using
the `--extract-media` option or outputting to PDF format, and allow an
attacker to create or overwrite arbitrary files on the system (depending
on the privileges of the process running pandoc).


    Entroy C discovered that appending percent-encoded directory
    components to the end of malicious data: URI, an attacker could
    trick pandoc into creating or or overwriting arbitrary files on the


    I discovered that the upstream fix for CVE-2023-35936 was
    incomplete, namely that the vulnerability remained when encoding '%'
    characters as '%25'.

For Debian 10 buster, these problems have been fixed in version

We recommend that you upgrade your pandoc packages.

For the detailed security status of pandoc please refer to
its security tracker page at:

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

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