Skip to content
Fencer Vulns
high 7.5

CVE-2002-0402 json

Buffer overflow in X11 dissector in Ethereal 0.9.3 and earlier allows remote attackers to cause a denial of service (crash) and possibly ex…

published 2002-06-18 24 y ago modified 2026-06-16 4 mo ago also EUVD-2002-0399

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.9%
EPSS 4.9% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

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.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2002-0402 updated

security flaw

  • Red Hat Linux 7.2 Red Hat Linux 7.3
    fixed: vendor fix RHSA-2002:088
  • Red Hat Powertools 6.2 Red Hat Powertools 7.0 Red Hat Powertools 7.1
    fixed: vendor fix RHSA-2002:036

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.85% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.