CVE-2002-0402

NONECVSS 0.0

0.0

Buffer overflow in X11 dissector in Ethereal 0.9.3 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code while Ethereal is parsing keysyms.

CVSS v3: —
EG Score: —
EPSS: 86.1%
KEV: Not listed

Published

June 18, 2002

Last Modified

April 16, 2026

References (20)

cve@mitreftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-037.0.txt
cve@mitrehttp://distro.conectiva.com/atualizacoes/?id=a&anuncio=000505
cve@mitrehttp://marc.info/?l=bugtraq&m=102268626526119&w=2
cve@mitrehttp://www.debian.org/security/2002/dsa-130
cve@mitrehttp://www.ethereal.com/appnotes/enpa-sa-00004.html
cve@mitrehttp://www.iss.net/security_center/static/9203.php
cve@mitrehttp://www.redhat.com/support/errata/RHSA-2002-036.html
cve@mitrehttp://www.redhat.com/support/errata/RHSA-2002-088.html
cve@mitrehttp://www.redhat.com/support/errata/RHSA-2002-170.html
cve@mitrehttp://www.securityfocus.com/bid/4805
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-037.0.txt
af854a3a-2127-422b-91ae-364da2661108http://distro.conectiva.com/atualizacoes/?id=a&anuncio=000505
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=102268626526119&w=2
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2002/dsa-130
af854a3a-2127-422b-91ae-364da2661108http://www.ethereal.com/appnotes/enpa-sa-00004.html

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
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Frequently asked(4)

What is CVE-2002-0402?

CVE-2002-0402 is a none vulnerability published on June 18, 2002. Buffer overflow in X11 dissector in Ethereal 0.9.3 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code while Ethereal is parsing keysyms.

When was CVE-2002-0402 disclosed?

CVE-2002-0402 was first published in the National Vulnerability Database on June 18, 2002, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2002-0402 actively exploited?

CVE-2002-0402 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 86.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2002-0402?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2002-0402, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2002-0402

📅 Published

🔄 Last Modified

🔗 References (20)