EUVD-2026-67679

An attacker that has valid credentials can select a compression algorithm for the IMAP connection whose decompression state requires a large amount of memory, and open several such connections. The memory limit of the process is reached with only a few connections, terminating the process and all...

CVE-2026-52687

An attacker that has valid credentials can select a compression algorithm for the IMAP connection whose decompression state requires a large amount of memory, and open several such connections. The memory limit of the process is reached with only a few connections, terminating the process and all...

CVE-2026-40203

When IMAP compression is enabled, the same compression state is reused across responses in a session, so response sizes depend on both attacker-supplied mail and other mail in the same mailbox. An attacker that can send mail to a user and can also observe the sizes of that user's IMAP traffic can...

EUVD-2026-67669

When IMAP compression is enabled, the same compression state is reused across responses in a session, so response sizes depend on both attacker-supplied mail and other mail in the same mailbox. An attacker that can send mail to a user and can also observe the sizes of that user's IMAP traffic can...

SUSE-SU-2021:2892-1 Security update for dovecot23

This update for dovecot23 fixes the following issues: Update dovecot to version 2.3.15 jscSLE-19970: Security issues fixed: - CVE-2021-29157: Dovecot does not correctly escape kid and azp fields in JWT tokens. This may be used to supply attacker controlled keys to validate tokens, if attacker has...

Security update for dovecot23 (moderate)

openSUSE Security Update: Security update for dovecot23 Announcement ID: openSUSE-SU-2021:2892-1 Rating: moderate References: 1187418 1187419 1187420 SLE-19970 Cross-References: CVE-2020-28200 CVE-2021-29157 CVSS scores: CVE-2020-28200 NVD : 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L...