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CVE-2003-0093

The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of...

5.0 MediumFix available

The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service (crash) via an invalid RADIUS packet with a header length field of 0, which causes tcpdump to generate data within an infinite loop.

Exploit likelihood

1.97%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service (crash) via an invalid RADIUS packet with a header length field of 0, which causes tcpdump to generate data within an infinite loop.

Record
CVE-2003-0093
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service (crash) via an invalid RADIUS packet with a header length field of 0, which causes tcpdump to generate data within an infinite loop.

Record
CVE-2003-0093
Updated
2026-11-02
EUVDEUVD-2003-0089 No score

The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service (crash) via an invalid RADIUS packet with a header length field of 0, which causes tcpdump to generate data within an infinite loop.

Record
EUVD-2003-0089
Updated
2026-11-03
GitHub AdvisoriesGHSA-wcfm-6r83-67px No score

The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of...

The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service (crash) via an invalid RADIUS packet with a header length field of 0, which causes tcpdump to generate data within an infinite loop.

Record
GHSA-wcfm-6r83-67px
Updated
2026-11-02
OSV No score

The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service (crash) via an invalid RADIUS packet with a header length field of 0, which causes tcpdump to generate data within an infinite loop.

Record
CVE-2003-0093
Updated
2026-11-02
OSVDEBIAN-CVE-2003-0093 No score

The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service (crash) via an invalid RADIUS packet with a header length field of 0, which causes tcpdump to generate data within an infinite loop.

Record
DEBIAN-CVE-2003-0093
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
tcpdump
Debian:12
before 3.7.1-1
3.7.1-1
tcpdump
Debian:13
before 3.7.1-1
3.7.1-1
tcpdump
Debian:14
before 3.7.1-1
3.7.1-1
tcpdump
Debian:3.0
before 3.6.2-2.4
3.6.2-2.4

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2003-0093 is a medium vulnerability (CVSS 5.0) in Lbl Tcpdump, published March 3, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.97%, the 80th percentile. Fixed in tcpdump 3.7.1-1.

References

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