Security update for dovecot24
This update for dovecot24 fixes the following issues: - Update to v2.4.3 - CVE-2025-59028: Invalid base64 authentication can cause DoS for other logins (bsc#1260894). - CVE-2025-59031: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing (bsc#1260895). - CVE-2025-59032: pigeonhole: ManageSieve panic occurs with sieve-connect as a client (bsc#1260902). - CVE-2026-24031: SQL injection possible if auth_username_chars is configured empty. Fixed escaping to always happen. v2.4 regression (bsc#1260896). - CVE-2026-27855: OTP driver vulnerable to replay attack (bsc#1260900). - CVE-2026-27856: Doveadm credentials were not checked using timing-safe checking function (bsc#1260899). - CVE-2026-27857: sending excessive parenthesis causes imap-login to use excessive memory (bsc#1260898). - CVE-2026-27858: pigeonhole: managesieve-login can allocate large amount of memory during authentication (bsc#1260901). - CVE-2026-27859: excessive RFC 2231 MIME parameters in email would can excessive CPU usage (bsc#1260897). - CVE-2026-27860: LDAP query injection possible if auth_username_chars is configured empty. Fixed escaping to always happen. v2.4 regression (bsc#1260893).
Security update for dovecot24
Description
This update for dovecot24 fixes the following issues: - Update to v2.4.3 - CVE-2025-59028: Invalid base64 authentication can cause DoS for other logins (bsc#1260894). - CVE-2025-59031: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing (bsc#1260895). - CVE-2025-59032: pigeonhole: ManageSieve panic occurs with sieve-connect as a client (bsc#1260902). - CVE-2026-24031: SQL injection possible if auth_username_chars is configured empty. Fixed escaping to always happen. v2.4 regression (bsc#1260896). - CVE-2026-27855: OTP driver vulnerable to replay attack (bsc#1260900). - CVE-2026-27856: Doveadm credentials were not checked using timing-safe checking function (bsc#1260899). - CVE-2026-27857: sending excessive parenthesis causes imap-login to use excessive memory (bsc#1260898). - CVE-2026-27858: pigeonhole: managesieve-login can allocate large amount of memory during authentication (bsc#1260901). - CVE-2026-27859: excessive RFC 2231 MIME parameters in email would can excessive CPU usage (bsc#1260897). - CVE-2026-27860: LDAP query injection possible if auth_username_chars is configured empty. Fixed escaping to always happen. v2.4 regression (bsc#1260893).
Affected software
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- SUSE Product Security Team
- Advisory Id
- openSUSE-SU-2026:20554-1
- Cve Count
- 10
- Additional Cves
- ["CVE-2025-59031","CVE-2025-59032","CVE-2026-24031","CVE-2026-27855","CVE-2026-27856","CVE-2026-27857","CVE-2026-27858","CVE-2026-27859","CVE-2026-27860"]
- State
- PUBLISHED
Threat ID: 6aab498c55bf5e2cf5990f1c
Added to database: 09/17/2026, 01:59:40 UTC
Last updated: 09/17/2026, 02:02:25 UTC
Views: 1
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