DEBIAN-CVE-2026-33607

See a problem?
Please try reporting it to the source first.
Source
https://security-tracker.debian.org/tracker/CVE-2026-33607
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-33607.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-33607
Upstream
  • CVE-2026-33607
Published
2026-08-28T12:16:27Z
Modified
2026-09-14T17:03:08Z
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
Summary
[none]
Details

An attacker that has valid credentials can use IMAP LIST command to consume CPU. This can cause degradation or denial of service for IMAP. Monitor system for abnormal CPU usage and kill the offending process and lock account. Alternatively install fixed version. No publicly available exploits are known.

References

Affected packages

Debian:12 / dovecot

Package

Name
dovecot
Purl
pkg:deb/debian/dovecot?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1:2.*
1:2.3.19.1+dfsg1-2.1
1:2.3.19.1+dfsg1-2.1+deb12u1
1:2.3.19.1+dfsg1-2.1+deb12u2
1:2.3.19.1+dfsg1-2.1+deb12u3
1:2.3.19.1+dfsg1-2.1+deb12u4
1:2.3.19.1+dfsg1-2.1+deb12u5
1:2.3.19.1+dfsg1-2.1+deb12u6
1:2.3.20+dfsg1-1
1:2.3.21+dfsg1-1
1:2.3.21+dfsg1-2
1:2.3.21+dfsg1-3~bpo12+1
1:2.3.21+dfsg1-3
1:2.3.21.1+dfsg1-1~bpo12+1
1:2.3.21.1+dfsg1-1
1:2.4.0+dfsg1-1~exp1
1:2.4.0+dfsg1-1~exp2
1:2.4.0+dfsg1-1~exp3
1:2.4.0+dfsg1-1~exp4
1:2.4.0+dfsg1-1~exp5
1:2.4.0+dfsg1-1~exp6
1:2.4.1+dfsg1-1~exp1
1:2.4.1+dfsg1-1~exp2
1:2.4.1+dfsg1-1
1:2.4.1+dfsg1-2
1:2.4.1+dfsg1-3
1:2.4.1+dfsg1-4
1:2.4.1+dfsg1-5
1:2.4.1+dfsg1-6~exp1
1:2.4.1+dfsg1-6
1:2.4.1+dfsg1-7
1:2.4.1+dfsg1-8
1:2.4.1+dfsg1-9
1:2.4.2+dfsg1-1
1:2.4.2+dfsg1-2
1:2.4.2+dfsg1-3
1:2.4.2+dfsg1-4
1:2.4.3+dfsg1-1
1:2.4.3+dfsg1-2
1:2.4.4+dfsg1-1
1:2.4.4+dfsg1-2
1:2.4.5+dfsg1-1
1:2.4.5+dfsg1-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-33607.json"

Debian:13 / dovecot

Package

Name
dovecot
Purl
pkg:deb/debian/dovecot?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1:2.*
1:2.4.1+dfsg1-6
1:2.4.1+dfsg1-6+deb13u1
1:2.4.1+dfsg1-6+deb13u2
1:2.4.1+dfsg1-6+deb13u3
1:2.4.1+dfsg1-6+deb13u4
1:2.4.1+dfsg1-6+deb13u5
1:2.4.1+dfsg1-6+deb13u6
1:2.4.1+dfsg1-7
1:2.4.1+dfsg1-8
1:2.4.1+dfsg1-9
1:2.4.2+dfsg1-1
1:2.4.2+dfsg1-2
1:2.4.2+dfsg1-3
1:2.4.2+dfsg1-4
1:2.4.3+dfsg1-1
1:2.4.3+dfsg1-2
1:2.4.4+dfsg1-1
1:2.4.4+dfsg1-2
1:2.4.5+dfsg1-1
1:2.4.5+dfsg1-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-33607.json"

Debian:14 / dovecot

Package

Name
dovecot
Purl
pkg:deb/debian/dovecot?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:2.4.5+dfsg1-1

Affected versions

1:2.*
1:2.4.1+dfsg1-6
1:2.4.1+dfsg1-7
1:2.4.1+dfsg1-8
1:2.4.1+dfsg1-9
1:2.4.2+dfsg1-1
1:2.4.2+dfsg1-2
1:2.4.2+dfsg1-3
1:2.4.2+dfsg1-4
1:2.4.3+dfsg1-1
1:2.4.3+dfsg1-2
1:2.4.4+dfsg1-1
1:2.4.4+dfsg1-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-33607.json"