All vulnerabilities

Servers and applications

CVE-2020-7046

lib-smtp in submission-login and lmtp in Dovecot 2.3.9 before 2.3.9.3 mishandles truncated UTF-8 data in command parameters, as demonstrated by the unauthenticated triggering of a submission-login infinite loop.

Severity
High 7.5
Published
12 Feb 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.3.9.3
Sources
NVD

Affected software

SoftwareAffected versions
DovecotServers and applications · cpe:a:dovecot:dovecot
  • From 2.3.9 before 2.3.9.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-7046
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-7046