CVE-2019-3814

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-3814

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-3814.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201902-1

OS impact

OSVersionStatusFixed in
arch archfixed2.3.4.1-1
suse slesaffected
debian debianbookwormfixed1:2.3.4.1-1
debian debianbullseyefixed1:2.3.4.1-1
debian debianforkyfixed1:2.3.4.1-1
debian debiansidfixed1:2.3.4.1-1
debian debiantrixiefixed1:2.3.4.1-1

References

Verify integrity in audit chain (admin only). AS-IS.