Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade exim4 | Jul 30, 2024 | Oct 5, 2011 |
| Exim | — | Upgrade Exim to version 4.75.0 | Dec 3, 2019 | Oct 5, 2011 |
| Freebsd | — | Upgrade exim | Dec 10, 2025 | May 14, 2011 |
| Gentoo Linux | — | Upgrade mail-mta/exim. | Oct 30, 2017 | Oct 4, 2011 |
| Suse | — | Upgrade eximonUpgrade exim-debuginfoUpgrade eximon-debuginfoUpgrade exim-debugsourceUpgrade eximstats-htmlUpgrade exim | Feb 17, 2015 | Oct 4, 2011 |
| Ubuntu | — | Upgrade exim4-daemon-lightUpgrade exim4-daemon-customUpgrade exim4-daemon-heavy | Nov 8, 2024 | Oct 5, 2011 |
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