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A ghostscript security update has been released for Debian GNU/Linux 11 to address a buffer overflow vulnerability.

DSA 5383-1: ghostscript security update

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Debian Security Advisory DSA-5383-1 Salvatore Bonaccorso
April 05, 2023
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Package : ghostscript
CVE ID : CVE-2023-28879
Debian Bug : 1033757

It was discovered that Ghostscript, the GPL PostScript/PDF interpreter,
is prone to a buffer overflow vulnerability in the (T)BCP encoding
filters, which could result in the execution of arbitrary code if
malformed document files are processed (despite the -dSAFER sandbox
being enabled).

For the stable distribution (bullseye), this problem has been fixed in
version 9.53.3~dfsg-7+deb11u4.

We recommend that you upgrade your ghostscript packages.

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

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: