Mutt before 1.14.4 and NeoMutt before 2020-06-19 have a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a "begin TLS" response, the client reads additional data (e.g., from a man-in-the-middle attacker) and evaluates it in a TLS context, aka "response injection."
CVSS Details
- CVSS 3.1 Base Score: 5.9
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-muttamazon-linux-ami-2-upgrade-mutt-debuginfo | Dec 7, 2022 | Jun 21, 2020 | |
| Debian | debian-upgrade-muttdebian-upgrade-neomutt | Jun 23, 2020 | Jun 21, 2020 | |
| Freebsd | freebsd-upgrade-package-mutt | Jun 25, 2020 | Jun 24, 2020 | |
| Gentoo Linux | gentoo-linux-upgrade-mail-client-muttgentoo-linux-upgrade-mail-client-neomutt | Jul 29, 2020 | Jun 21, 2020 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-mutt | Feb 22, 2021 | Jun 21, 2020 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-mutt | Sep 28, 2020 | Jun 21, 2020 | |
| Huawei Euleros 2_0_sp5 | huawei-euleros-2_0_sp5-upgrade-mutt | Nov 2, 2020 | Jun 21, 2020 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-mail-mutt-1-14-5-11-4-27-0-1-82-0 | Jan 19, 2021 | Jun 21, 2020 | |
| Redhat_linux | no-fix-redhat-rpm-package | Jul 9, 2025 | Jun 21, 2020 | |
| Suse | — | suse-upgrade-muttsuse-upgrade-mutt-docsuse-upgrade-mutt-langsuse-upgrade-neomuttsuse-upgrade-neomutt-docsuse-upgrade-neomutt-lang | Jun 27, 2020 | Jun 21, 2020 |
| Ubuntu | ubuntu-pro-upgrade-neomuttubuntu-upgrade-mutt | Jun 25, 2020 | Jun 21, 2020 |
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