Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow in receive_add_recipient via an e-mail message with fifty million recipients. NOTE: remote exploitation may be difficult because of resource consumption.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade exim | Aug 22, 2024 | May 6, 2021 |
| Amazon_linux | — | Upgrade exim | May 11, 2021 | May 4, 2021 |
| Debian | — | Upgrade exim4 | May 6, 2021 | May 6, 2021 |
| Exim | — | Upgrade Exim to version 4.94.1 | May 13, 2021 | May 6, 2021 |
| Gentoo Linux | — | Upgrade mail-mta/exim. | May 5, 2021 | May 4, 2021 |
| Suse | — | Upgrade libspf2-2Upgrade libspf2-toolsUpgrade eximstats-htmlUpgrade eximonUpgrade libspf2-develUpgrade exim | May 8, 2021 | May 4, 2021 |
| Ubuntu | — | Upgrade exim4-baseUpgrade exim4-daemon-lightUpgrade exim4-daemon-heavyUpgrade exim4-daemon-heavy (Ubuntu Pro)Upgrade exim4-daemon-light (Ubuntu Pro)Upgrade exim4-base (Ubuntu Pro) | May 5, 2021 | May 4, 2021 |
Prioritize with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub