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A libfastjson security update has been released for Debian GNU/Linux 10 LTS to address an issue that result in an out-of-bounds write.

[SECURITY] [DLA 3461-1] libfastjson security update

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Debian LTS Advisory DLA-3461-1 Thorsten Alteholz
June 20, 2023
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Package : libfastjson
Version : 0.99.8-2+deb10u1
CVE ID : CVE-2020-12762

An issue has been found in libfastjson, a fast json library for C.
Due to missing checks, out-of-bounds write might happen when parsing
large JSON files.

For Debian 10 buster, this problem has been fixed in version

We recommend that you upgrade your libfastjson packages.

For the detailed security status of libfastjson 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: