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Alerts This Week
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Debian FastNetMon Critical DDoS Issues DSA-6375-1 CVE-2026-48683

debian
Calendar Grey July 2, 2026
Debian Logo
Explore multiple security issues and their fixes in FastNetMon 1.2.9 that could cause denial of service in Debian Trixie.
Multiple security issues have been discovered in FastNetMon, a fast DDoS analyzer: TLS connections were insufficently validated and malformed Netflow/sFlow traffic could result in ...
Topics%20covered

Topics Covered

security advisory denial of service debian important TLS fastnetmon

Summary

For the stable distribution (trixie), these problems have been fixed in
version 1.2.9-0+deb13u1.

We recommend that you upgrade your fastnetmon packages.

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

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
important
Lowest
Low
Medium
High
Critical

Package: fastnetmon
CVE ID: CVE-2026-48683 CVE-2026-48684 CVE-2026-48685 CVE-2026-48686

Topics%20covered

Topics Covered

security advisory denial of service debian important TLS fastnetmon

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