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Fencer Vulns
medium 4.3

CVE-2005-3751 json

HTTP request smuggling vulnerability in Pound before 1.9.4 allows remote attackers to poison web caches, bypass web application firewall pr…

published 2005-11-22 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-3746

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

HTTP request smuggling vulnerability in Pound before 1.9.4 allows remote attackers to poison web caches, bypass web application firewall protection, and conduct XSS attacks via an HTTP request with conflicting Content-length and Transfer-encoding headers.

Patch / fix

  • pound Debian 14, Debian 13 1.9.4-1

debian advisories DEBIAN-CVE-2005-3751

Exploit prediction

1.47% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

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.