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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
Scroller Debian
- ------------------------------------------------------------------------- Debian Security Advisory
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 ...

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

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