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Fencer Vulns
medium 5.0

CVE-2006-6719 json

The ftp_syst function in ftp-basic.c in Free Software Foundation (FSF) GNU wget 1.10.2 allows remote attackers to cause a denial of service…

published 2006-12-23 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-6702

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.3%
EPSS 4.3% chance of exploitation in 30 days, percentile 91%
public exploits
1
Exploit-DB

Summary

The ftp_syst function in ftp-basic.c in Free Software Foundation (FSF) GNU wget 1.10.2 allows remote attackers to cause a denial of service (application crash) via a malicious FTP server with a large number of blank 220 responses to the SYST command.

Patch / fix

  • wget Debian 14, Debian 13, Debian 12 1.13-1

debian advisories DEBIAN-CVE-2006-6719

  • wget openSUSE Tumbleweed 1.21.1-2.2

opensuse advisories openSUSE-SU-2024:11510-1

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-2006-6719 updated

Wget attempts to dereference NULL pointer upon response from malicious FTP server

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

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

Timeline

  1. First public exploit (EDB-2947)
  2. Published

Exploit prediction

4.30% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-2947 wget 1.10.2 - Unchecked Boundary Condition Denial of Service dos, 2006-12-18
  • securityfocus.com http://www.securityfocus.com/bid/21650 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/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.