CVE-2020-7957
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-7957
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7957.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-7957
- Downstream
- Related
- Published
- 2020-02-12T17:15:12Z
- Modified
- 2025-10-21T05:56:35.839785Z
- Severity
-
- 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
- Summary
- [none]
- Details
-
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
-
- http://www.openwall.com/lists/oss-security/2020/02/12/2
- https://dovecot.org/pipermail/dovecot-news/2020-February/000430.html
- https://dovecot.org/security
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XYT55WH372BJOXCJRKBDIFGBMPVOIDT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJXHOUT3FH2DJNMACSX4GHPP4MUV4UKA/