Medium 4.3Published Nov 10, 2009

CVE-2009-2825Certificate Assistant in Apple Mac OS X before 10.6.2 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 might allow man…

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects apple mac_os_x and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Certificate Assistant in Apple Mac OS X before 10.6.2 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 might allow 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.

CVSS: 4.3 MEDIUM (v2.0, NVD)AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-310
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

apple mac_os_x apple:mac_os_x	through 10.6.1; 10.0; 10.0.0; 10.0.1; 10.0.2; 10.0.3; 10.0.4; 10.1; and 51 more ranges	NVD
apple mac_os_x_server apple:mac_os_x_server	through 10.6.1; 10.0; 10.0.0; 10.0.1; 10.0.2; 10.0.3; 10.0.4; 10.1; and 51 more ranges	NVD

References

References

http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html	vendor-advisory
http://support.apple.com/kb/HT3937	patch, vendor-advisory
http://www.securityfocus.com/bid/36956	patch
http://www.vupen.com/english/advisories/2009/3184

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.