Wget attempts to dereference NULL pointer upon response from malicious FTP server
Published Dec 23, 2006
5.0
MEDIUMCVSS 2.0
EPSS 4.30%
Description
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.
Affected products
No data.
- 1.5.3
- 1.6
- 1.7
- 1.7.1
- 1.8
- 1.8.1
- 1.8.2
- 1.9
- 1.9.1
- 1.10
- 1.10.1
- 1.10.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
We do not consider a crash of a client application such as wget to be a security issue. This flaw was fixed in wget shipped in Red Hat Enterprise Linux 5 before the initial release of the product. Version of wget shipped in Red Hat Enterprise Linux 3 and 4 are affected by this bug.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 4.30% (0.04303) | 90.84th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.94% (0.03944) | 89.02th | v5 (v2026.06.15) |
| Sep 19, 2025 | 4.83% (0.04835) | 89.11th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.08% (0.03081) | 85.57th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.31% (0.05309) | 83.03th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.08% (0.03081) | 85.86th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.08% (0.03077) | 91.38th | v3 (v2023.03.01) |
| May 17, 2024 | 3.08% (0.03077) | 91.00th | v3 (v2023.03.01) |
| Oct 27, 2023 | 2.89% (0.02892) | 89.63th | v3 (v2023.03.01) |
| Sep 19, 2023 | 3.09% (0.03086) | 89.83th | v3 (v2023.03.01) |
| Aug 12, 2023 | 3.10% (0.03100) | 89.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.17% (0.03169) | 89.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.19% (0.04187) | 87.39th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.19% (0.04187) | 86.11th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.19% (0.04187) | 69.86th | v2 (v2022.01.01) |
No CWE recorded.
References (8)
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:017 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/21650 vdb-entryx_refsource_BIDExploit
- https://access.redhat.com/security/cve/CVE-2006-6719 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=221459 Issue Tracking
- https://issues.rpath.com/browse/RPL-930 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2006-6719
- https://www.cve.org/CVERecord?id=CVE-2006-6719
- https://www.exploit-db.com/exploits/2947 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://www.mandriva.com/security/advisories?name=MDKSA-2007:017 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.securityfocus.com/bid/21650 | vdb-entryx_refsource_BIDExploit | |
| https://access.redhat.com/security/cve/CVE-2006-6719 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=221459 | Issue Tracking | |
| https://issues.rpath.com/browse/RPL-930 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2006-6719 | ||
| https://www.cve.org/CVERecord?id=CVE-2006-6719 | ||
| https://www.exploit-db.com/exploits/2947 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.