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Fencer Vulns
critical 10.0

CVE-1999-0926 in the critical feed json

Apache allows remote attackers to conduct a denial of service via a large number of MIME headers.

published 1999-09-03 27 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0907

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.4%
EPSS 9.4% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

Apache allows remote attackers to conduct a denial of service via a large number of MIME headers.

Timeline

  1. First public exploit (EDB-20272)
  2. Published

Exploit prediction

9.45% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-20272 Apache 1.2.5/1.3.1 / UnityMail 2.0 - MIME Header Denial of Service dos, 1998-08-02
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/1998_3/0742.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

Classification

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.