UBUNTU-CVE-2020-28200
- Source
- https://ubuntu.com/security/CVE-2020-28200
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28200.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-28200
- Upstream
- Published
- 2021-06-21T12:00:00Z
- Modified
- 2025-07-18T16:46:12Z
- Severity
-
- 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
- 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
- Ubuntu - low
- Summary
- [none]
- Details
-
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.
- References
Affected packages
Ubuntu:Pro:14.04:LTS / dovecot
Package
- Name
- dovecot
- Purl
- pkg:deb/ubuntu/dovecot@1:2.2.9-1ubuntu2.6+esm4?arch=source&distro=esm-infra-legacy/trusty
Ubuntu:Pro:16.04:LTS / dovecot
Package
- Name
- dovecot
- Purl
- pkg:deb/ubuntu/dovecot@1:2.2.22-1ubuntu2.14?arch=source&distro=esm-infra/xenial
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affected
Affected versions
1:2.*
1:2.2.18-2ubuntu2
1:2.2.22-1ubuntu1
1:2.2.22-1ubuntu2
1:2.2.22-1ubuntu2.1
1:2.2.22-1ubuntu2.2
1:2.2.22-1ubuntu2.3
1:2.2.22-1ubuntu2.4
1:2.2.22-1ubuntu2.6
1:2.2.22-1ubuntu2.7
1:2.2.22-1ubuntu2.8
1:2.2.22-1ubuntu2.9
1:2.2.22-1ubuntu2.10
1:2.2.22-1ubuntu2.11
1:2.2.22-1ubuntu2.12
1:2.2.22-1ubuntu2.13
1:2.2.22-1ubuntu2.14
Ubuntu:Pro:18.04:LTS / dovecot
Package
- Name
- dovecot
- Purl
- pkg:deb/ubuntu/dovecot@1:2.2.33.2-1ubuntu4.8?arch=source&distro=esm-infra/bionic