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CVE-2020-7957

The IMAP and LMTP components in Dovecot 2.3.9 before 2.3.9.3 mishandle snippet generation when many characters must be read to compute the snippet and a traili…

Impact

The IMAP and LMTP components in Dovecot 2.3.9 before 2.3.9.3 mishandle snippet generation when many characters must be read to compute the snippet and a trailing > character exists. This causes a denial of service in which the recipient cannot read all of their messages.

Affected products

VendorProductAffected versions
DovecotDovecot
from 2.3.9 before 2.3.9.3
FedoraprojectFedora
Versions 30, 31

Weakness classification

CWE-20

References