CVE-2009-2700
src/network/ssl/qsslcertificate.cpp in Nokia Trolltech Qt 4.x does not properly handle a '\0' character in a domain name in the Subject Alternative Name 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.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Weakness (CWE)
- CWE-20
- EPSS score
- 0.9% (61th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2692)
- Published
- September 2, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2692 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
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References
- http://qt.gitorious.org/qt/qt/commit/802d8c02eaa0aa9cd8d0c6cbd18cd814e6337bc6
- http://secunia.com/advisories/36536(Vendor Advisory)
- http://secunia.com/advisories/36702(Vendor Advisory)
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:225
- http://www.securityfocus.com/bid/36203
- http://www.ubuntu.com/usn/usn-829-1
- http://www.vupen.com/english/advisories/2009/2499(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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