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Fencer Vulns
high 7.5

CVE-2004-0399 in the critical feed json

Stack-based buffer overflow in Exim 3.35, and other versions before 4, when the sender_verify option is true, allows remote attackers to ca…

published 2004-05-12 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-0399

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
20.5%
EPSS 20.5% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

Stack-based buffer overflow in Exim 3.35, and other versions before 4, when the sender_verify option is true, allows remote attackers to cause a denial of service and possibly execute arbitrary code during sender verification.

Patch / fix

  • exim4 Debian 14, Debian 13, Debian 12 4.33-1

debian advisories DEBIAN-CVE-2004-0399

Timeline

  1. First public exploit (EDB-24093)
  2. Published

Exploit prediction

20.51% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-24093 Exim Sender 3.35 - Verification Remote Stack Buffer Overrun remote, 2004-05-06
  • guninski.com http://www.guninski.com/exim1.html referenced PoC, tagged "exploit" by a source, unverified

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.