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dovecot: sending mail with empty quoted localpart leads to DoS

🗓️ 04 Nov 2020 01:48:47Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Dovecot before 2.3.10.1 allows remote attackers to crash lmtp or submission via empty localpart.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64dovecot1:2.3.8-4.el8dovecot-1:2.3.8-4.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64ledovecot1:2.3.8-4.el8dovecot-1:2.3.8-4.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xdovecot1:2.3.8-4.el8dovecot-1:2.3.8-4.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64dovecot1:2.3.8-4.el8dovecot-1:2.3.8-4.el8.x86_64.rpm
Red Hat Enterprise Linux8anydovecot1:2.3.8-4.el8.i686dovecot-1:2.3.8-4.el8.i686.noarch.rpm
Red Hat Enterprise Linux8aarch64dovecot-debuginfo1:2.3.8-4.el8dovecot-debuginfo-1:2.3.8-4.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64ledovecot-debuginfo1:2.3.8-4.el8dovecot-debuginfo-1:2.3.8-4.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xdovecot-debuginfo1:2.3.8-4.el8dovecot-debuginfo-1:2.3.8-4.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64dovecot-debuginfo1:2.3.8-4.el8dovecot-debuginfo-1:2.3.8-4.el8.x86_64.rpm
Red Hat Enterprise Linux8anydovecot-debuginfo1:2.3.8-4.el8.i686dovecot-debuginfo-1:2.3.8-4.el8.i686.noarch.rpm
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25 Jun 2026 10:57Current
6.7Medium risk
Vulners AI Score6.7
CVSS 25
CVSS 3.15.3
CVSS 35.3
EPSS0.08153
5