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Stack-based buffer overflow in Exim 4 before 4.33, when the headers_check_syntax option is enabled, allows remote attackers to cause a denial of service and possibly execute arbitrary code during the header check.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade exim4 | Jul 30, 2024 | Jul 7, 2004 |
| Freebsd | — | Upgrade exim-ldap2Upgrade exim-postgresqlUpgrade eximUpgrade exim-mysql | Dec 10, 2025 | May 6, 2004 |
| Gentoo Linux | — | Upgrade mail-mta/exim. | Oct 30, 2017 | Jul 7, 2004 |
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