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Debian LTS Advisory DLA-2670-1              [email protected]
https://www.debian.org/lts/security/                      Utkarsh Gupta
May 30, 2021                                https://wiki.debian.org/LTS
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Package        : nginx
Version        : 1.10.3-1+deb9u6
CVE ID         : CVE-2021-23017
Debian Bug     : 989095

Luis Merino, Markus Vervier and Eric Sesterhenn discovered an off-by-one
in Nginx, a high-performance web and reverse proxy server, which could
result in denial of service and potentially the execution of arbitrary

For Debian 9 stretch, this problem has been fixed in version

We recommend that you upgrade your nginx packages.

For the detailed security status of nginx 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