CVE-2020-7957

Description

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.

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJXHOUT3FH2DJNMACSX4GHPP4MUV4UKA/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XYT55WH372BJOXCJRKBDIFGBMPVOIDT/

https://dovecot.org/security

https://dovecot.org/pipermail/dovecot-news/2020-February/000430.html

http://www.openwall.com/lists/oss-security/2020/02/12/2

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3