fetchmail 6.3.8 and earlier, when running in -v -v (aka verbose) mode, allows remote attackers to cause a denial of service (crash and persistent mail failure) via a malformed mail message with long headers, which triggers an erroneous dereference when using vsnprintf to format log messages.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx Fetchmail | — | Apply OS X security update 2009-001 | Dec 16, 2011 | Jun 16, 2008 |
| Centos_linux | — | Upgrade fetchmail | Dec 1, 2016 | Jun 16, 2008 |
| Debian | — | Upgrade fetchmail | Jul 30, 2024 | Jun 16, 2008 |
| Freebsd | — | Upgrade fetchmail | Dec 10, 2025 | Jul 1, 2008 |
| Oracle Solaris | — | Upgrade mail/fetchmail to version 6.4.21-11.4.39.0.1.107.0 on Solaris 11.4 | Nov 17, 2021 | Jun 16, 2008 |
| Oracle_linux | — | Upgrade fetchmail | Oct 16, 2024 | Jun 16, 2008 |
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