[SECURITY] [DLA 4766-1] cyrus-imapd security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4766-1 [email protected] https://www.debian.org/lts/security/ Xavier Guimard September 01, 2026 https://wiki.debian.org/LTS -...

OPENSUSE-SU-2026:21368-1 Security update for cyrus-imapd

This update for cyrus-imapd fixes the following issues: Changes in cyrus-imapd: - Update to 3.8.7 bugfix release - CVE-2026-47081: XAPPLEPUSHSERVICE folder existence oracle and push hijack bsc1271617 - CVE-2026-47083: ESEARCH cross-user content oracle bsc1271619 - CVE-2026-47082: Vacation "fcc"...

UBUNTU-CVE-2026-47086

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can bypass ACLs. Any authenticated user could mint a URLAUTH token via the GENURLAUTH command for any mailbox they could name, even without read access on it. This would allow reading mail from mailboxes...

CVE-2026-47086

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can bypass ACLs. Any authenticated user could mint a URLAUTH token via the GENURLAUTH command for any mailbox they could name, even without read access on it. This would allow reading mail from mailboxes...