CVE-2003-0108

isakmp_sub_print in tcpdump 3.6 through 3.7.1 allows remote attackers to cause a denial of...

5.0 MediumPublic exploitFix available

isakmp_sub_print in tcpdump 3.6 through 3.7.1 allows remote attackers to cause a denial of service (CPU consumption) via a certain malformed ISAKMP packet to UDP port 500, which causes tcpdump to enter an infinite loop.

Exploit likelihood

11.3%Down 1.2 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2003-0108
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

Record: CVE-2003-0108
Updated: 2026-11-02

EUVDEUVD-2003-0104 No score

Record: EUVD-2003-0104
Updated: 2026-11-03

GitHub AdvisoriesGHSA-mf37-67gp-f2x6 No score

isakmp_sub_print in tcpdump 3.6 through 3.7.1 allows remote attackers to cause a denial of...

Record: GHSA-mf37-67gp-f2x6
Updated: 2026-11-02

OSV No score

Record: CVE-2003-0108
Updated: 2026-11-02

OSVDEBIAN-CVE-2003-0108 No score

Record: DEBIAN-CVE-2003-0108
Updated: 2026-11-02

Affected products

lbl tcpdump

Affected packages

Affected packages
Package	Affected	Fixed
`tcpdump` Debian:12	before 3.7.1-1.2	3.7.1-1.2
`tcpdump` Debian:13	before 3.7.1-1.2	3.7.1-1.2
`tcpdump` Debian:14	before 3.7.1-1.2	3.7.1-1.2
`tcpdump` Debian:3.0	before 3.6.2-2.3	3.6.2-2.3

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	TCPDump 3.x - Malformed ISAKMP Packet Denial of Service	2003-03-01

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD, OSV

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

In short

CVE-2003-0108 is a medium vulnerability (CVSS 5.0) in Lbl Tcpdump, published February 27, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 11.3%, the 95th percentile. Fixed in tcpdump 3.7.1-1.2.

References

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