OPENSUSE-SU-2025-20113-1
Vulnerability from csaf_opensuse - Published: 2025-11-27 20:17 - Updated: 2025-11-27 20:17Summary
Security update for dovecot24
Notes
Title of the patch
Security update for dovecot24
Description of the patch
This update for dovecot24 fixes the following issues:
- Update dovecot to 2.4.2:
- CVE-2025-30189: Fixed users cached with same cache key when
auth cache was enabled (bsc#1252839)
- Changes
- auth: Remove proxy_always field.
- config: Change settings history parsing to use python3.
- doveadm: Print table formatter - Print empty values as "-".
- imapc: Propagate remote error codes properly.
- lda: Default mail_home=$HOME environment if not using userdb
lookup
- lib-dcrypt: Salt for new version 2 keys has been increased to
16 bytes.
- lib-dregex: Add libpcre2 based regular expression support to
Dovecot, if the library is missing, disable all regular
expressions. This adds libpcre2-32 as build dependency.
- lib-oauth2: jwt - Allow nbf and iat to point 1 second into
future.
- lib: Replace libicu with our own unicode library. Removes
libicu as build dependency.
- login-common: If proxying fails due to remote having invalid
SSL cert, don't reconnect.
- New features
- auth: Add ssl_client_cert_fp and ssl_client_cert_pubkey_fp
fields
- config: Add support for $SET:filter/path/setting.
- config: Improve @group includes to work with overwriting
their settings.
- doveadm kick: Add support for kicking multiple usernames
- doveadm mailbox status: Add support for deleted status item.
- imap, imap-client: Add experimental partial IMAP4rev2
support.
- imap: Implement support for UTF8=ACCEPT for APPEND
- lib-oauth2, oauth2: Add oauth2_token_expire_grace setting.
- lmtp: lmtp-client - Support command pipelining.
- login-common: Support local/remote blocks better.
- master: accept() unix/inet connections before creating child
process to handle it. This reduces timeouts when child
processes are slow to spawn themselves.
- Bug fixes
- SMTPUTF8 was accepted even when it wasn't enabled.
- auth, *-login: Direct logging with -L parameter was not
working.
- auth: Crash occured when OAUTH token validation failed with
oauth2_use_worker_with_mech=yes.
- auth: Invalid field handling crashes were fixed.
- auth: ldap - Potential crash could happen at deinit.
- auth: mech-gssapi - Server sending empty initial response
would cause errors.
- auth: mech-winbind - GSS-SPNEGO mechanism was erroneously
marked as
- not accepting NUL.
- config: Multiple issues with $SET handling has been fixed.
- configure: Building without LDAP didn't work.
- doveadm: If source user didn't exist, a crash would occur.
- imap, pop3, submission, imap-urlauth: USER environment usage
was broken when running standalone.
- imap-hibernate: Statistics would get truncated on
unhibernation.
- imap: "SEARCH MIMEPART FILENAME ENDS" command could have
accessed memory outside allocated buffer, resulting in a
crash.
- imapc: Fetching partial headers would cause other cached
headers to be cached empty, breaking e.g. imap envelope
responses when caching to disk.
- imapc: Shared namespace's INBOX mailbox was not always
uppercased.
- imapc: imapc_features=guid-forced GUID generation was not
working correctly.
- lda: USER environment was not accepted if -d hasn't been
specified.
- lib-http: http-url - Significant path percent encoding
through parse and create was not preserved. This is mainly
important for Dovecot's Lua bindings for lib-http.
- lib-settings: Crash would occur when using %variables in
SET_FILE type settings.
- lib-storage: Attachment flags were attempted to be added for
readonly mailboxes with mail_attachment_flags=add-flags.
- lib-storage: Root directory for unusable shared namespaces
was unnecessarily attempted to be created.
- lib: Crash would occur when config was reloaded and logging
to syslog.
- login-common: Crash might have occured when login proxy was
destroyed.
- sqlite: The sqlite_journal_mode=wal setting didn't actually
do anything.
- Many other bugs have been fixed.
- Update pigeonhole to 2.4.2
- Changes
- lib-sieve: Use new regular expression library in core.
- managesieve: Add default
service_extra_groups=$SET:default_internal_group.
- New features
- lib-sieve: Add support for "extlists" extension.
- lib-sieve: regex - Allow unicode comparator.
- Bug fixes
- lib-sieve-tool: sieve-tool - All sieve_script settings were
overriden.
- lib-sieve: storage: dict: sieve_script_dict filter was
missing from settings.
- sieve-ldap-storage: Fix compile without LDAP.
Patchnames
openSUSE-Leap-16.0-79
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"threats": [
{
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"date": "2025-11-27T20:17:17Z",
"details": "moderate"
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],
"title": "CVE-2025-30189"
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]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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