OPENSUSE-SU-2026:21109-1: dovecot24&distro=openSUSE Leap 16.0 openSUSE

CVSS: UnknownPublished
Published 19-06-2026Last modified 30-06-2026

Vulnerability summary

OPENSUSE-SU-2026:21109-1 is a vulnerability in dovecot24&distro=openSUSE Leap 16.0 openSUSE with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 5 · Downstream 0 · Related 5

Timeline

  1. 19-06-2026
    PublishedVulnerability first disclosed.
  2. 30-06-2026
    Last modifiedVulnerability information updated.

Description

Security update for dovecot24 This update for dovecot24 fixes the following issues - CVE-2026-27851: lib-var-expand: safe filter leaks to all following pipelines (bsc#1265146). - CVE-2026-33603: login: base64 input can contain tabs that bypass IPC protection (bsc#1265147). - CVE-2026-40016: Sieve: contains/: matches O(NxM) substring match bypasses sieve_max_cpu_time limit (bsc#1265148). - CVE-2026-40020: IMAP folders can be shared-spammed to everyone (bsc#1265149). - CVE-2026-42006: imap-login: uncontrolled memory usage with excessive bracing over IMAP (bsc#1265150). Changes for dovecot24: - Update to 2.4.4

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Opensuse1 product
  • dovecot24&distro=openSUSE Leap 16.0< 2.4.4-160000.1.1

1 vendor · 1 product

References

10 links