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High ELSA-2026-26564 4 CVEs

Important: dovecot security update (Oracle Linux 7)

Published Aug 10, 2026 · Updated Aug 10, 2026

Summary

[1:2.2.36-8]
- update release number

[1:2.2.36-7.1]
- fix CVE-2020-12100 resource exhaustion via deeply nested MIME parts (#1866752)
- fix CVE-2020-12673 out of bound reads in dovecot NTLM implementation (#1866757)
- fix CVE-2020-12674 crash due to assert in RPA implementation (#1866764)

[1:2.2.36-7]
- generated key was too small (#1086365)

Fixed packages 5

ReleasePackageFixed in
Oracle Linux · 7 dovecot 1:2.2.36-8.el7
Oracle Linux · 7 dovecot-devel 1:2.2.36-8.el7
Oracle Linux · 7 dovecot-mysql 1:2.2.36-8.el7
Oracle Linux · 7 dovecot-pgsql 1:2.2.36-8.el7
Oracle Linux · 7 dovecot-pigeonhole 1:2.2.36-8.el7

Vulnerabilities 4