openSUSE 16 Security Update : cyrus-imapd (openSUSE-SU-2026:20962-1)

critical Nessus Plugin ID 321430

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20962-1 advisory.

Changes in cyrus-imapd:

- cyrus-imapd don't start because of missing Requires=var-run.mount from systemd (bsc#1251788) Remove var-run.mount from Requires and After

- update to version 3.8.6 (bugfix release) VUL-0: CVE-2025-49812: cyrus-imapd: Opossum Attack Application Layer Desynchronization using Opportunistic TLS (bsc#1246165) The industry is deprecating STARTTLS (aka opportunistic TLS) in favor of implicit TLS over a dedicated port. STARTTLS is now disabled by default.
* Fixed issue #5477: master: tighten up pidfile/etc handling (bsc#1241543) VUL-0: cyrus-imapd: privilege drop happens too late, opening attack vectors from cyrus to root
* Fixed issue #5450: fix zoneinfo_db code for GCC 15 (thanks Yadd)
* Fixed issue #5309: deadlock on shutdown (thanks Mark Cammidge)
* Fixed issue #5424: recognise service-specific SASL options in ``cyr_info conf-lint``
* Fixed issue #5420: fix double-free in http_admin (thanks Wolfgang Breyha)
* Fixed issue #5460: pop3d: add basic prometheus support (thanks Wolfgang Breyha)
* Fixed issue #5454: httpd fails to parse OpenSSL version for status string

- update to version 3.8.5 (bugfix release)
* Fixed Issue #5029: check for unexpected extra tiny-tests directories
* Fixed Issue #5148: added --enable-release-checks configure option for use when building releases
* Fixed Issue #4489: calendar-color changes namespace (thanks )
* Fixed Issue #5009: various portability warnings and nits
* Fixed Issue #5050: iTIP line endings (thanks )
* Fixed Issue #5052: iMIP line endings (thanks )
* Fixed Issue #5072: http_cgi use after free (thanks )
* Fixed Issue #5094: httpd crash when PROPFIND url is /dav/calendars
* Fixed Issue #5118: broken language checks for zr-hant and sr-me
* Fixed Issue #5047: proxying UID SEARCH

- CVE-2025-23394: cyrus-imapd: daily-backup.sh allows escalation from cyrus to root (bsc#1241536)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 321430

File Name: openSUSE-2026-20962-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 6/17/2026

Updated: 6/17/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-23394

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:cyrus-imapd, p-cpe:/a:novell:opensuse:cyrus-imapd-devel, p-cpe:/a:novell:opensuse:perl-cyrus-imap, p-cpe:/a:novell:opensuse:perl-cyrus-sieve-managesieve, p-cpe:/a:novell:opensuse:cyradm, p-cpe:/a:novell:opensuse:cyrus-imapd-snmp, p-cpe:/a:novell:opensuse:cyrus-imapd-snmp-mibs, p-cpe:/a:novell:opensuse:cyrus-imapd-utils, cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:libcyrus0, p-cpe:/a:novell:opensuse:perl-cyrus-annotator

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 6/12/2026

Vulnerability Publication Date: 2/12/2025

Reference Information

CVE: CVE-2025-23394, CVE-2025-49812

Detections

Analytics