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Vulnerability record · CVE-2009-2702 · published 8 September 2009

CVE-2009-2702: Kdelibs vulnerability

Kde · Kdelibs

KDE KSSL in kdelibs 3.5.4, 4.2.4, and 4.3 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.

7.5 CVSS 2.0 High EPSS 1.3% · top 31.6% CWE-310 · CWE-310
7.5CVSS 2.0 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

KDE KSSL in kdelibs 3.5.4, 4.2.4, and 4.3 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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/36468 Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:330
http://www.mandriva.com/security/advisories?name=MDVSA-2011:162
http://www.vupen.com/english/advisories/2009/2532 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=520661
http://secunia.com/advisories/36468 Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:330
http://www.mandriva.com/security/advisories?name=MDVSA-2011:162
http://www.vupen.com/english/advisories/2009/2532 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=520661

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-2702), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.