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TI-2003-00919 Aliases CVE-2003-1013GHSA-763w-9m8f-rp93

The Q.931 dissector in Ethereal before 0.10.0, and Tethereal, allows remote attackers to…

Priority LOW 38CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

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.

Why it matters now

EPSS 0.02934 87th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ethereal:ethereal:*:*:*:*:*:*:*:*before 0.10.0VulnerableEthereal
  • cpe:2.3:a:ethereal:ethereal:*:*:*:*:*:*:*:* Versions before 0.10.0 Vulnerable ·Ethereal

Remediation

Red Hat 2 advisories

  • RHSA-2004:002 Released 2004-01-20 · Red Hat rating Low
    ethereal security update
    • Red Hat Desktop version 3 ethereal-0.10.0a-0.30E.1, ethereal-0.10.0a-0.30E.1.i386, ethereal-gnome-0.10.0a-0.30E.1 +1
    • Red Hat Enterprise Linux AS version 3 ethereal-0.10.0a-0.30E.1, ethereal-0.10.0a-0.30E.1.i386, ethereal-0.10.0a-0.30E.1.ia64 +5
    • Red Hat Enterprise Linux ES version 3 ethereal-0.10.0a-0.30E.1, ethereal-0.10.0a-0.30E.1.i386, ethereal-0.10.0a-0.30E.1.ia64 +3
    • Red Hat Enterprise Linux WS version 3 ethereal-0.10.0a-0.30E.1, ethereal-0.10.0a-0.30E.1.i386, ethereal-0.10.0a-0.30E.1.ia64 +3
  • RHSA-2004:001 Released 2004-01-07 · Red Hat rating Low
    : Updated Ethereal packages fix security issues
    • Red Hat Linux 9

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2004:002
Red Hat Enterprise Linux AS version 3Fixed RHSA-2004:002
Red Hat Enterprise Linux ES version 3Fixed RHSA-2004:002
Red Hat Enterprise Linux WS version 3Fixed RHSA-2004:002
Red Hat Linux 9Fixed RHSA-2004:001

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-1013
  2. 2026-10-03 Alias added: GHSA-763w-9m8f-rp93

References

Patch 2

Advisory 4

Other 2

  • TI-2003-00335 Multiple off-by-one vulnerabilities in Ethereal 0.9.11 and earlier allow remote attackers… CVSS 3.1CRITICAL 9.8
  • TI-2004-00334 The dissect_attribute_value_pairs function in packet-radius.c for Ethereal 0.8.13 to… CVSS 3.1HIGH 7.5
  • TI-2002-00386 SMB dissector in Ethereal 0.9.3 and earlier allows remote attackers to cause a denial of… CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences