cyrus-imapd: An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2
CVE-2026-47088 is fixed in 13 products on 1 platform, first by OPENSUSE-SU-2026:21368-1, released July 17, 2026. It is not reported as exploited. Patch Radar priority: Routine.
An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is heap exposure in nested MIME comment parsing. An authenticated IMAP user could craft an email message containing an RFC 822 comment ending with a backslash. When parsing the message, the server would read past the message's end in memory, and read into the heap, returning the read content to the user.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| cyrus-imapd · Debian 12.15 (bookworm) | 3.6.1-4+deb12u5 | DEBIAN-CVE-2026-47088 | Jul 22, 2026 |
| cyrus-imapd · Debian 13.5 (trixie) | 3.10.2-1+deb13u2 | DEBIAN-CVE-2026-47088 | Jul 22, 2026 |
| cyrus-imapd · Debian 14 | 3.12.3-1 | DEBIAN-CVE-2026-47088 | Jul 22, 2026 |
| cyrus-imapd · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd · opensuse-leap 16.0 | 3.8.7-bp160.1.1 | OPENSUSE-SU-2026:21368-1 | Jul 17, 2026 |
| cyrus-imapd-debuginfo · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-debugsource · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-devel · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-doc-extra · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-libs · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-libs-debuginfo · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-utils · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-utils-debuginfo · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-virusscan · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-virusscan-debuginfo · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| perl-Cyrus · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| perl-Cyrus-debuginfo · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
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