CVEvulnerability

CVE-2020-7957

5.3 MEDIUM Published 2020-02-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-02-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 3.0 ([email protected])
3.1 LOW — CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-20

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.

Affected configurations

• dovecot dovecot (>= 2.3.9 < 2.3.9.3) • fedoraproject fedora 30 • fedoraproject fedora 31

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References