DEBIAN-CVE-2021-33582

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Source
https://security-tracker.debian.org/tracker/CVE-2021-33582
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-33582.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-33582
Upstream
Published
2021-09-01T06:15:06Z
Modified
2025-10-12T05:19:03.242338Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Cyrus IMAP before 3.4.2 allows remote attackers to cause a denial of service (multiple-minute daemon hang) via input that is mishandled during hash-table interaction. Because there are many insertions into a single bucket, strcmp becomes slow. This is fixed in 3.4.2, 3.2.8, and 3.0.16.

References

Affected packages

Debian:11 / cyrus-imapd

Package

Name
cyrus-imapd
Purl
pkg:deb/debian/cyrus-imapd?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.2.6-2+deb11u1

Affected versions

3.*

3.2.6-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / cyrus-imapd

Package

Name
cyrus-imapd
Purl
pkg:deb/debian/cyrus-imapd?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.4.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / cyrus-imapd

Package

Name
cyrus-imapd
Purl
pkg:deb/debian/cyrus-imapd?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.4.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / cyrus-imapd

Package

Name
cyrus-imapd
Purl
pkg:deb/debian/cyrus-imapd?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.4.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}