openSUSE-SU-2026:21720-1
Security update for dovecot24
Severidad por fuente
Ninguna fuente da una puntuación CVSS.
La etiqueta propia de Trivy es CRITICAL. Crítica según SUSE.
Descripción
This update for dovecot24 fixes the following issues: Update to 2.4.5. - CVE-2026-33263: `submission-login`: panic when `mail_max_userip_connections` is reached (bsc#1276794). - CVE-2026-27852: DoS by sending mail with bad header (bsc#1276799). - CVE-2026-33604: SMTP smuggling via missing dot-stuffing after bare carriage return (bsc#1276802). - CVE-2026-33605: `managesieve-login`: pre-auth crash (bsc#1276809). - CVE-2026-33606: `dsync`: mail content can cause `dsync` protocol injection (bsc#1276800). - CVE-2026-33607: IMAP `LIST` `match_sub()` exponential backtracking leading to CPU denial of service (bsc#1276795). - CVE-2026-40013: stack buffer underflow in `pigeonhole` `ManageSieve` `CHECKSCRIPT/PUTSCRIPT` (bsc#1276807). - CVE-2026-40014: CPU DoS via crafted references header (bsc#1276804). - CVE-2026-40015: `imap-hibernate` can be crashed (bsc#1276812). - CVE-2026-40017: CPU DoS via CRC32 hash collision in `strmap` (bsc#1276813). - CVE-2026-40018: MySQL multi-byte escaping performed incorrectly (bsc#1276810). - CVE-2026-40203: IMAP compression can reveal whether a small synced email body matches sender-chosen text (bsc#1276815). - CVE-2026-40204: `lda_mailbox_autocreate` can bypass ACL restrictions (bsc#1276819). - CVE-2026-40205: OAuth2 `passdb` scope enforcement bypass via OR semantics in remote validation path (bsc#1276820). - CVE-2026-42007: `sieve` `editheader` RCE (bsc#1276817). - CVE-2026-42008: `XCLIENT FORWARD= bare` token not namespaced (bsc#1276824). - CVE-2026-42391: `imap`: pre-login memory/CPU growth with `ID` command (bsc#1276835). - CVE-2026-42392: `imap-urlauth` leaks memory into user-visible error messages (bsc#1276829). - CVE-2026-42393: `doveadm_password` or api key length can be leaked with timing comparisons (bsc#1276827). - CVE-2026-52687: `imap`: `COMPRESS ZSTD` can cause excessive memory usage (bsc#1276837). - CVE-2026-42395: single NUL-byte `XCLIENT FORWARD` payload crashes (bsc#1276826). - CVE-2026-52681: `sieve` resource usage tracking lost when active script changes (bsc#1276828). - CVE-2026-73208: `auth`: `db-oauth2`: `aud` claim used as fallback for missing scope claim (bsc#1276830). - CVE-2026-73209: `imap-login` crash due to self-recursion on zero-output decompress chunks (bsc#1276833).
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| openSUSE Leap 16.0 | dovecot24, dovecot24-backend-mysql, dovecot24-backend-pgsql y 5 más | 2.4.4-160000.2.1 |
Mostrar las 8 entradas de 1 fuente
| Fuente | Paquete | Corregido en |
|---|---|---|
| openSUSE Leap 16.0 | dovecot24 | 2.4.4-160000.2.1 |
| openSUSE Leap 16.0 | dovecot24-backend-mysql | 2.4.4-160000.2.1 |
| openSUSE Leap 16.0 | dovecot24-backend-pgsql | 2.4.4-160000.2.1 |
| openSUSE Leap 16.0 | dovecot24-backend-sqlite | 2.4.4-160000.2.1 |
| openSUSE Leap 16.0 | dovecot24-devel | 2.4.4-160000.2.1 |
| openSUSE Leap 16.0 | dovecot24-fts | 2.4.4-160000.2.1 |
| openSUSE Leap 16.0 | dovecot24-fts-flatcurve | 2.4.4-160000.2.1 |
| openSUSE Leap 16.0 | dovecot24-fts-solr | 2.4.4-160000.2.1 |
Referencias
- https://bugzilla.suse.com/1276794
- https://bugzilla.suse.com/1276795
- https://bugzilla.suse.com/1276799
- https://bugzilla.suse.com/1276800
- https://bugzilla.suse.com/1276802
- https://bugzilla.suse.com/1276804
- https://bugzilla.suse.com/1276807
- https://bugzilla.suse.com/1276809
Las 49 referencias
- https://bugzilla.suse.com/1276810
- https://bugzilla.suse.com/1276812
- https://bugzilla.suse.com/1276813
- https://bugzilla.suse.com/1276815
- https://bugzilla.suse.com/1276817
- https://bugzilla.suse.com/1276819
- https://bugzilla.suse.com/1276820
- https://bugzilla.suse.com/1276824
- https://bugzilla.suse.com/1276826
- https://bugzilla.suse.com/1276827
- https://bugzilla.suse.com/1276828
- https://bugzilla.suse.com/1276829
- https://bugzilla.suse.com/1276830
- https://bugzilla.suse.com/1276833
- https://bugzilla.suse.com/1276835
- https://bugzilla.suse.com/1276837
- https://www.suse.com/security/cve/CVE-2026-27852/
- https://www.suse.com/security/cve/CVE-2026-33263/
- https://www.suse.com/security/cve/CVE-2026-33604/
- https://www.suse.com/security/cve/CVE-2026-33605/
- https://www.suse.com/security/cve/CVE-2026-33606/
- https://www.suse.com/security/cve/CVE-2026-33607/
- https://www.suse.com/security/cve/CVE-2026-40013/
- https://www.suse.com/security/cve/CVE-2026-40014/
- https://www.suse.com/security/cve/CVE-2026-40015/
- https://www.suse.com/security/cve/CVE-2026-40017/
- https://www.suse.com/security/cve/CVE-2026-40018/
- https://www.suse.com/security/cve/CVE-2026-40203/
- https://www.suse.com/security/cve/CVE-2026-40204/
- https://www.suse.com/security/cve/CVE-2026-40205/
- https://www.suse.com/security/cve/CVE-2026-42007/
- https://www.suse.com/security/cve/CVE-2026-42008/
- https://www.suse.com/security/cve/CVE-2026-42391/
- https://www.suse.com/security/cve/CVE-2026-42392/
- https://www.suse.com/security/cve/CVE-2026-42393/
- https://www.suse.com/security/cve/CVE-2026-42395/
- https://www.suse.com/security/cve/CVE-2026-52681/
- https://www.suse.com/security/cve/CVE-2026-52687/
- https://www.suse.com/security/cve/CVE-2026-73208/
- https://www.suse.com/security/cve/CVE-2026-73209/
- https://www.suse.com/support/security/rating/