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Fencer Vulns
critical 10.0

CVE-2002-2198 json

Buffer overflow in ZMailer before 2.99.51_1 allows remote attackers to execute arbitrary code during HELO processing from an IPv6 address,…

published 2002-12-31 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-2177

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.2%
EPSS 6.2% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Buffer overflow in ZMailer before 2.99.51_1 allows remote attackers to execute arbitrary code during HELO processing from an IPv6 address, possibly using an address that resolves to a long hostname.

Patch / fix

Exploit prediction

6.24% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.