9.1

RHSA-2026:76763: dovecot Red Hat

CVSS: 9.1v3.1CriticalPublished
Published 07-10-2026Last modified 14-10-2026
Open JSON

Vulnerability summary

RHSA-2026:76763 is a critical (CVSS 9.1) vulnerability in dovecot Red Hat.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (OSV · Red hat), selected by version preference
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 8 · Downstream 0
CVE-2026-27852CVE-2026-33263CVE-2026-33605CVE-2026-40018CVE-2026-40019CVE-2026-42007

Timeline

  1. 07-10-2026
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

Red Hat Security Advisory: dovecot security, bug fix, and enhancement update

CVSS metrics

1 score · 1 source · 1 version

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

Redhat10 products
  • dovecot< 1:2.3.16-16.el8_10
  • dovecot-debuginfo< 1:2.3.16-16.el8_10
  • dovecot-debugsource< 1:2.3.16-16.el8_10
  • dovecot-devel< 1:2.3.16-16.el8_10
  • dovecot-mysql< 1:2.3.16-16.el8_10

1 vendor · 10 products

References

37 links
Show all 37 references