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CVE-2009-2474

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in...

5.8 MediumFix available

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle 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

1.49%Down 1.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.8

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle 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-2009-2474
CVSS 2.0
5.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness
CWE-326
Updated
2026-11-02
CVE List No score

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle 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-2009-2474
Updated
2026-11-02
EUVDEUVD-2009-2469 No score

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle 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-2009-2469
Updated
2026-11-03
GitHub AdvisoriesGHSA-x9rv-vww8-vmj9 No score

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in...

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle 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-x9rv-vww8-vmj9
Weakness
CWE-326
Updated
2026-11-02
OSV No score

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle 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-2009-2474
Updated
2026-11-02
OSVDEBIAN-CVE-2009-2474 No score

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle 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-2009-2474
Updated
2026-11-02
OSVopenSUSE-SU-2024:10496-1 No score

libneon-devel-0.30.1-1.11 on GA media

These are all security issues fixed in the libneon-devel-0.30.1-1.11 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10496-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
litmus
Debian:12
 before 0.13-1
0.13-1
litmus
Debian:13
 before 0.13-1
0.13-1
litmus
Debian:14
 before 0.13-1
0.13-1
neon27
Debian:12
 before 0.28.6-1
0.28.6-1
neon27
Debian:13
 before 0.28.6-1
0.28.6-1
neon27
Debian:14
 before 0.28.6-1
0.28.6-1
neon
Red Hat:enterprise_linux:4::as
 before 0:0.24.7-4.el4_8.2
0:0.24.7-4.el4_8.2
neon-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:0.24.7-4.el4_8.2
0:0.24.7-4.el4_8.2
neon-devel
Red Hat:enterprise_linux:4::as
 before 0:0.24.7-4.el4_8.2
0:0.24.7-4.el4_8.2
neon
Red Hat:enterprise_linux:4::desktop
 before 0:0.24.7-4.el4_8.2
0:0.24.7-4.el4_8.2
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Affected packages
PackageAffectedFixed
neon-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:0.24.7-4.el4_8.2
0:0.24.7-4.el4_8.2
neon-devel
Red Hat:enterprise_linux:4::desktop
 before 0:0.24.7-4.el4_8.2
0:0.24.7-4.el4_8.2
neon
Red Hat:enterprise_linux:4::es
 before 0:0.24.7-4.el4_8.2
0:0.24.7-4.el4_8.2
neon-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:0.24.7-4.el4_8.2
0:0.24.7-4.el4_8.2
neon-devel
Red Hat:enterprise_linux:4::es
 before 0:0.24.7-4.el4_8.2
0:0.24.7-4.el4_8.2
neon
Red Hat:enterprise_linux:4::ws
 before 0:0.24.7-4.el4_8.2
0:0.24.7-4.el4_8.2
neon-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:0.24.7-4.el4_8.2
0:0.24.7-4.el4_8.2
neon-devel
Red Hat:enterprise_linux:4::ws
 before 0:0.24.7-4.el4_8.2
0:0.24.7-4.el4_8.2
neon
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.25.5-10.el5_4.1
0:0.25.5-10.el5_4.1
neon-debuginfo
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.25.5-10.el5_4.1
0:0.25.5-10.el5_4.1
neon-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.25.5-10.el5_4.1
0:0.25.5-10.el5_4.1
neon
Red Hat:enterprise_linux:5::client
 before 0:0.25.5-10.el5_4.1
0:0.25.5-10.el5_4.1
neon-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:0.25.5-10.el5_4.1
0:0.25.5-10.el5_4.1
neon
Red Hat:enterprise_linux:5::server
 before 0:0.25.5-10.el5_4.1
0:0.25.5-10.el5_4.1
neon-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:0.25.5-10.el5_4.1
0:0.25.5-10.el5_4.1
neon-devel
Red Hat:enterprise_linux:5::server
 before 0:0.25.5-10.el5_4.1
0:0.25.5-10.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-2009-2474 is a medium vulnerability (CVSS 5.8) in Webdav Neon, published August 21, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.49%, the 74th percentile. Fixed in litmus 0.13-1.

References

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