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Servers and applications

CVE-2020-28200

The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a complex regular expression for the regex extension.

Severity
Medium 4.3
Published
28 Jun 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.3.15
Sources
NVD

Affected software

SoftwareAffected versions
DovecotServers and applications · cpe:a:dovecot:dovecot
  • Every version before 2.3.15

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-28200
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-28200