Linux · 
openSUSE Leap · Security advisory · April 16, 2026
openSUSE Leap · Security advisory · April 16, 2026OPENSUSE-SU-2026:20554-1: dovecot24 security update
OPENSUSE-SU-2026:20554-1, released April 16, 2026, fixes 10 CVEs in dovecot24 (version 2.4.3-160000.1.1). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
10
None rated Critical
Exploited
0
None reported
Highest CVSS
8.2
Base score, 0 to 10
Highest EPSS
0.0080
56th percentile
Priority of the 10 CVEs
Patch now 0
Urgent 0
High 5
Routine 5
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| dovecot24 | opensuse-leap 16.0 | 2.4.3-160000.1.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-27858 | dovecot23: This update for dovecot23 fixes the following issues: - CVE-2024-23184: parsing of messages containing many address... | 7.5 | 0.0080 | None reported |
| High | CVE-2025-59032 | dovecot: ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response | 7.5 | 0.0073 | None reported |
| High | CVE-2026-27857 | dovecot23: This update for dovecot23 fixes the following issues: - CVE-2024-23184: parsing of messages containing many address... | 7.5 | 0.0068 | None reported |
| High | CVE-2025-59028 | dovecot: When sending invalid base64 SASL data, login process is disconnected from the auth server, causing all active authent... | 7.5 | 0.0046 | None reported |
| High | CVE-2026-24031 | dovecot: Dovecot SQL based authentication can be bypassed when auth_username_chars is cleared by admin | 8.2 | 0.0040 | None reported |
| Routine | CVE-2026-27856 | dovecot23: This update for dovecot23 fixes the following issues: - CVE-2024-23184: parsing of messages containing many address... | 5.9 | 0.0040 | None reported |
| Routine | CVE-2026-27859 | dovecot23: This update for dovecot23 fixes the following issues: - CVE-2024-23184: parsing of messages containing many address... | 5.3 | 0.0038 | None reported |
| Routine | CVE-2026-27855 | dovecot23: This update for dovecot23 fixes the following issues: - CVE-2024-23184: parsing of messages containing many address... | 5.9 | 0.0032 | None reported |
| Routine | CVE-2026-27860 | dovecot: If auth_username_chars is empty, it is possible to inject arbitrary LDAP filter to Dovecot's LDAP authentication | 5.3 | 0.0030 | None reported |
| Routine | CVE-2025-59031 | dovecot: Dovecot has provided a script to use for attachment to text conversion | 4.3 | 0.0029 | None reported |
Showing 1 to 10 of 10
1
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.