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CVE-2003-0989

21
FAUCET Score

CVE-2003-0989 describes a denial-of-service vulnerability in tcpdump versions prior to 3.8.1, specifically affecting Red Hat Linux and Red Hat tcpdump. Remote attackers can trigger an infinite loop by sending specially crafted ISAKMP packets. With a CVSS score of 7.5, this vulnerability is considered highly severe, allowing unauthenticated attackers to cause a complete loss of availability with low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.8.0CPE matchmatch criteria
cpe:2.3:a:redhat:tcpdump:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:redhat:linux:9.0:*:i386:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.26%
Probability of exploitation in next 30 days
EPSS Percentile
91.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0526 is in the 85th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: tcpdump-14:3.6.2-12.2.1AS.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: tcpdump-14:3.7.2-7.E3.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 9
View patch

Vendor Advisories (1)

redhatCVE-2003-0989Moderate

security flaw

Jan 14, 2004

References

ftp.sco.com / pub/security/OpenLinux/CSSA-2004-008.0.txt
ftp.sco.com / pub/updates/UnixWare/SCOSA-2004.9/SCOSA-2004.9.txt
patches.sgi.com / support/free/security/advisories/20040103-01-U.asc
patches.sgi.com / support/free/security/advisories/20040202-01-U.asc
lists.apple.com / archives/security-announce/2004/Feb/msg00000.html
lwn.net / Alerts/66445
lwn.net / Alerts/66805
marc.info
secunia.com / advisories/10636
secunia.com / advisories/10637
secunia.com / advisories/10639
secunia.com / advisories/10644
secunia.com / advisories/10652
secunia.com / advisories/10668
secunia.com / advisories/10718
secunia.com / advisories/11022
secunia.com / advisories/11032
secunia.com / advisories/12179
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10599
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A847
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A852
debian.org / security/2004/dsa-425
PatchVendor Advisory
kb.cert.org / vuls/id/738518
Third Party AdvisoryUS Government Resource
mandriva.com / security/advisories
redhat.com / archives/fedora-announce-list/2004-March/msg00006.html
redhat.com / archives/fedora-announce-list/2004-March/msg00009.html
redhat.com / archives/fedora-announce-list/2004-March/msg00015.html
redhat.com / archives/fedora-legacy-list/2004-January/msg00726.html
redhat.com / support/errata/RHSA-2004-007.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2004-008.html
securityfocus.com / archive/1/350238/30/21640/threaded
securityfocus.com / bid/9507
securitytracker.com / id