← Vulnerability feed

Vulnerability record · CVE-2003-1013 · published 5 January 2004

CVE-2003-1013: Ethereal null pointer dereference vulnerability

Ethereal · Ethereal

The Q.931 dissector in Ethereal before 0.10.0, and Tethereal, allows remote attackers to cause a denial of service (crash) via a malformed Q.931, which triggers a null dereference.

7.5 CVSS 3.1 High EPSS 2.7% · top 14.5% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score, v2 5.0
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
26References
16 Jun 2026Last modified by NVD

Description

The Q.931 dissector in Ethereal before 0.10.0, and Tethereal, allows remote attackers to cause a denial of service (crash) via a malformed Q.931, which triggers a null dereference.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
ftp://patches.sgi.com/support/free/security/advisories/20040103-01-U.asc Broken Link
ftp://patches.sgi.com/support/free/security/advisories/20040202-01-U.asc Broken Link
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000801 Broken Link
http://secunia.com/advisories/10531 Broken Link
http://secunia.com/advisories/10568 Broken Link
http://secunia.com/advisories/10570 Broken Link
http://www.debian.org/security/2003/dsa-407 Broken Link
http://www.ethereal.com/appnotes/enpa-sa-00012.html Broken LinkPatchVendor AdvisoryURL Repurposed
http://www.mandriva.com/security/advisories?name=MDKSA-2004:002 Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2004-001.html Broken LinkPatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2004-002.html Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10097 Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A857 Broken Link
ftp://patches.sgi.com/support/free/security/advisories/20040103-01-U.asc Broken Link
ftp://patches.sgi.com/support/free/security/advisories/20040202-01-U.asc Broken Link
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000801 Broken Link
http://secunia.com/advisories/10531 Broken Link
http://secunia.com/advisories/10568 Broken Link
http://secunia.com/advisories/10570 Broken Link
http://www.debian.org/security/2003/dsa-407 Broken Link
http://www.ethereal.com/appnotes/enpa-sa-00012.html Broken LinkPatchVendor AdvisoryURL Repurposed
http://www.mandriva.com/security/advisories?name=MDKSA-2004:002 Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2004-001.html Broken LinkPatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2004-002.html Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10097 Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A857 Broken Link

Track CVE-2003-1013 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2003-0356Ethereal vulnerabilityMultiple off-by-one vulnerabilities in Ethereal 0.9.11 and earlier allow remote attackers to cause a denial of service and possibly execute arbitrary…EPSS 9.6%7.5CVE-2004-0365Ethereal null pointer dereference vulnerabilityThe dissect_attribute_value_pairs function in packet-radius.c for Ethereal 0.8.13 to 0.10.2 allows remote attackers to cause a denial of service (cra…EPSS 5.9%7.5CVE-2002-0401Ethereal null pointer dereference vulnerabilitySMB dissector in Ethereal 0.9.3 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via malformed pack…EPSS 5.5%6.2CVE-2026-21525Windows Remote Access Connection Manager null pointer dereference DoSWindows Remote Access Connection Manager contains a null pointer dereference (CWE-476) that lets an unauthorized attacker deny service locally. The f…KEVEPSS 4.8%analysed

Source: NIST National Vulnerability Database (record CVE-2003-1013), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.