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CVE-2009-3490

GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common...

6.8 MediumFix available

GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common Name field of an X.509 certificate, which allows man-in-the-middle remote attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Exploit likelihood

3.52%Up 1.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 6.8

GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common Name field of an X.509 certificate, which allows man-in-the-middle remote attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Record
CVE-2009-3490
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-310
Updated
2026-11-02
CVE List No score

GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common Name field of an X.509 certificate, which allows man-in-the-middle remote attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Record
CVE-2009-3490
Updated
2026-11-02
EUVDEUVD-2009-3472 No score

GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common Name field of an X.509 certificate, which allows man-in-the-middle remote attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Record
EUVD-2009-3472
Updated
2026-11-03
GitHub AdvisoriesGHSA-6p5c-44cm-r9m8 No score

GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common...

GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common Name field of an X.509 certificate, which allows man-in-the-middle remote attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Record
GHSA-6p5c-44cm-r9m8
Updated
2026-11-02
OSV No score

GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common Name field of an X.509 certificate, which allows man-in-the-middle remote attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Record
CVE-2009-3490
Updated
2026-11-02
OSVDEBIAN-CVE-2009-3490 No score

GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common Name field of an X.509 certificate, which allows man-in-the-middle remote attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Record
DEBIAN-CVE-2009-3490
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wget
Debian:12
 before 1.12-1
1.12-1
wget
Debian:13
 before 1.12-1
1.12-1
wget
Debian:14
 before 1.12-1
1.12-1
wget
Debian:4.0
 before 1.10.2-2+etch1, plus listed versions
1.10.2-2
1.10.2-2+etch1
wget
Debian:5.0
 before 1.11.4-2+lenny1, plus listed versions
1.11.4-2
1.11.4-2+lenny1
wget
Red Hat:enterprise_linux:3::as
 before 0:1.10.2-0.30E.1
0:1.10.2-0.30E.1
wget-debuginfo
Red Hat:enterprise_linux:3::as
 before 0:1.10.2-0.30E.1
0:1.10.2-0.30E.1
wget
Red Hat:enterprise_linux:3::desktop
 before 0:1.10.2-0.30E.1
0:1.10.2-0.30E.1
wget-debuginfo
Red Hat:enterprise_linux:3::desktop
 before 0:1.10.2-0.30E.1
0:1.10.2-0.30E.1
wget
Red Hat:enterprise_linux:3::es
 before 0:1.10.2-0.30E.1
0:1.10.2-0.30E.1
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Affected packages
PackageAffectedFixed
wget-debuginfo
Red Hat:enterprise_linux:3::es
 before 0:1.10.2-0.30E.1
0:1.10.2-0.30E.1
wget
Red Hat:enterprise_linux:3::ws
 before 0:1.10.2-0.30E.1
0:1.10.2-0.30E.1
wget-debuginfo
Red Hat:enterprise_linux:3::ws
 before 0:1.10.2-0.30E.1
0:1.10.2-0.30E.1
wget
Red Hat:enterprise_linux:4::as
 before 0:1.10.2-1.el4_8.1
0:1.10.2-1.el4_8.1
wget-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:1.10.2-1.el4_8.1
0:1.10.2-1.el4_8.1
wget
Red Hat:enterprise_linux:4::desktop
 before 0:1.10.2-1.el4_8.1
0:1.10.2-1.el4_8.1
wget-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:1.10.2-1.el4_8.1
0:1.10.2-1.el4_8.1
wget
Red Hat:enterprise_linux:4::es
 before 0:1.10.2-1.el4_8.1
0:1.10.2-1.el4_8.1
wget-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:1.10.2-1.el4_8.1
0:1.10.2-1.el4_8.1
wget
Red Hat:enterprise_linux:4::ws
 before 0:1.10.2-1.el4_8.1
0:1.10.2-1.el4_8.1
wget-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:1.10.2-1.el4_8.1
0:1.10.2-1.el4_8.1
wget
Red Hat:enterprise_linux:5::client
 before 0:1.11.4-2.el5_4.1
0:1.11.4-2.el5_4.1
wget-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:1.11.4-2.el5_4.1
0:1.11.4-2.el5_4.1
wget
Red Hat:enterprise_linux:5::server
 before 0:1.11.4-2.el5_4.1
0:1.11.4-2.el5_4.1
wget-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:1.11.4-2.el5_4.1
0:1.11.4-2.el5_4.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-3490 is a medium vulnerability (CVSS 6.8) in Gnu Wget, published September 30, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.52%, the 89th percentile. Fixed in wget 1.12-1.

References

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