cyrus-imapd: An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2
CVE-2026-47081 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 an XAPPLEPUSHSERVICE folder existence oracle and push hijack. An authenticated IMAP user could probe for the existence of arbitrary mailboxes on other users' accounts via the XAPPLEPUSHSERVICE command and then create Apple Push Notification Service notifications for new mail in those mailboxes to their own APNS device. This did not leak any data about the content of mailboxes. Instead, a "mailbox has changed" notice would be pushed when the mailbox modseq changed.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| cyrus-imapd · Debian 12.15 (bookworm) | 3.6.1-4+deb12u5 | DEBIAN-CVE-2026-47081 | Jul 22, 2026 |
| cyrus-imapd · Debian 13.5 (trixie) | 3.10.2-1+deb13u2 | DEBIAN-CVE-2026-47081 | Jul 22, 2026 |
| cyrus-imapd · Debian 14 | 3.12.3-1 | DEBIAN-CVE-2026-47081 | 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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