A snort security update has been released for Debian GNU/Linux 10 LTS to address multiple security vulnerabilities.

DLA 3317-1: snort security update

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Debian LTS Advisory DLA-3317-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Markus Koschany
February 11, 2023   https://wiki.debian.org/LTS
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Package : snort
Version : 2.9.20-0+deb10u1
CVE ID : CVE-2020-3299 CVE-2020-3315 CVE-2021-1223 CVE-2021-1224
CVE-2021-1236 CVE-2021-1494 CVE-2021-1495 CVE-2021-34749
CVE-2021-40114
Debian Bug : 1021276

Multiple security vulnerabilities were discovered in snort, a flexible Network
Intrusion Detection System, which could allow an unauthenticated, remote
attacker to cause a denial of service (DoS) condition or bypass filtering
technology on an affected device and ex-filtrate data from a compromised host.

For Debian 10 buster, these problems have been fixed in version
2.9.20-0+deb10u1.

We recommend that you upgrade your snort packages.

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

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