DEBIAN-CVE-2009-2666
Record from OSV · Published August 7, 2009
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.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| fetchmail | Debian:13 | 6.3.9~rc2-6 |
| fetchmail | Debian:14 | 6.3.9~rc2-6 |
| fetchmail | Debian:12 | 6.3.9~rc2-6 |
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | fetchmail | 0 |
| Debian:14 | fetchmail | 0 |
| Debian:12 | fetchmail | 0 |
Timeline
- Aug 7, 2009 CVE Published
- Oct 23, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln DEBIAN-CVE-2009-2666
vulnetix vdb fixes DEBIAN-CVE-2009-2666
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/DEBIAN-CVE-2009-2666/fixes/registry"
The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart