DEBIAN-CVE-2026-73209

See a problem?
Please try reporting it to the source first.
Source
https://security-tracker.debian.org/tracker/CVE-2026-73209
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-73209.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-73209
Upstream
  • CVE-2026-73209
Published
2026-08-28T12:16:31Z
Modified
2026-09-14T17:03:31Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An attacker that has valid credentials can send crafted compressed data that causes the affected process to exhaust its stack and crash. The affected process is terminated, which can cause degradation or denial of service for IMAP. Update to non-vulnerable 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-2026-73209.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-2026-73209.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-2026-73209.json"