CVE-2004-0633: The iSNS dissector for Ethereal 0.10.3 through 0.10.4 allows remote attackers to cause a denial of service...

Security readout for executives and security teams

CVE-2004-0633 is an old denial-of-service flaw in Ethereal 0.10.3 through 0.10.4. A remote attacker could trigger an integer overflow in the iSNS dissector and make the Ethereal process abort. The cited sources do not show code execution or current exploitation. Exposure is most likely on legacy systems, analyst workstations, or monitoring hosts still running Ethereal 0.10.3 or 0.10.4 and processing untrusted traffic or captures. Modern Wireshark installations are not identified as affected in the supplied sources. Handle as a legacy hygiene issue unless affected tooling remains in production security workflows. It can disrupt analysis or monitoring, but the provided evidence does not support emergency treatment for data theft, privilege escalation, or active exploitation. Mitigation focus: Identify and retire Ethereal 0.10.3 and 0.10.4 installations.; Check vendor advisories for fixed Ethereal packages or supported replacements.; Avoid processing untrusted iSNS traffic or captures with affected versions..

Prepared

Jun 30, 2026, 05:11 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.