CVE-2009-2666
MEDIUM · CVSS 6.4EPSS 1.5%EU EUVD
socket.c in fetchmail before 6.3.11 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.
Key facts
- CVSS score
- 6.4 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:N- Weakness (CWE)
- CWE-310
- EPSS score
- 1.5% (74th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2659)
- Published
- August 7, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2659 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
- fetchmail / fetchmail
and 67 more…
References
- http://fetchmail.berlios.de/fetchmail-SA-2009-01.txt
- http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
- http://marc.info/?l=oss-security&m=124949601207156&w=2
- http://osvdb.org/56855
- http://secunia.com/advisories/36175(Vendor Advisory)
- http://secunia.com/advisories/36179(Vendor Advisory)
- http://secunia.com/advisories/36236(Vendor Advisory)
- http://support.apple.com/kb/HT3937
- http://www.debian.org/security/2009/dsa-1852
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:201
- http://www.securityfocus.com/archive/1/505530/100/0/threaded
- http://www.securityfocus.com/bid/35951
- http://www.securitytracker.com/id?1022679
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.543463
- http://www.vupen.com/english/advisories/2009/2155(Vendor Advisory)
- http://www.vupen.com/english/advisories/2009/3184(Vendor Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11059
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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