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CVE-2019-19722

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email...

5.3 MediumFix available

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Exploit likelihood

2.48%Up 1.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.3

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.

Record
CVE-2019-19722
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-476
Updated
2026-11-02
CVE List No score

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.

Record
CVE-2019-19722
Updated
2026-11-02
EUVDEUVD-2019-9326 No score

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.

Record
EUVD-2019-9326
Updated
2026-11-03
GitHub AdvisoriesGHSA-cpfv-hj4g-93jr 5.3

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email...

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.

Record
GHSA-cpfv-hj4g-93jr
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-476
Updated
2026-11-02
OSVALPINE-CVE-2019-19722 5.3

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.

Record
ALPINE-CVE-2019-19722
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-02
OSV 5.3

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.

Record
CVE-2019-19722
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2019-19722 5.3

In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.

Record
UBUNTU-CVE-2019-19722
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-02
OSVopenSUSE-SU-2024:10726-1 No score

dovecot23-2.3.16-1.6 on GA media

These are all security issues fixed in the dovecot23-2.3.16-1.6 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10726-1
Updated
2026-11-02
OSVopenSUSE-SU-2025:14715-1 No score

dovecot24-2.4.0-1.1 on GA media

These are all security issues fixed in the dovecot24-2.4.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2025:14715-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
dovecot
Alpine:v3.11
before 2.3.9.2-r0
2.3.9.2-r0
dovecot
Alpine:v3.12
before 2.3.9.2-r0
2.3.9.2-r0
dovecot
Alpine:v3.13
before 2.3.9.2-r0
2.3.9.2-r0
dovecot
Alpine:v3.14
before 2.3.9.2-r0
2.3.9.2-r0
dovecot
Alpine:v3.15
before 2.3.9.2-r0
2.3.9.2-r0
dovecot
Alpine:v3.16
before 2.3.9.2-r0
2.3.9.2-r0
dovecot
Alpine:v3.17
before 2.3.9.2-r0
2.3.9.2-r0
dovecot
Alpine:v3.18
before 2.3.9.2-r0
2.3.9.2-r0
dovecot
Alpine:v3.19
before 2.3.9.2-r0
2.3.9.2-r0
dovecot
Alpine:v3.20
before 2.3.9.2-r0
2.3.9.2-r0
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Affected packages
PackageAffectedFixed
dovecot
Alpine:v3.21
before 2.3.9.2-r0
2.3.9.2-r0
dovecot
Alpine:v3.22
before 2.3.9.2-r0
2.3.9.2-r0
dovecot
Alpine:v3.23
before 2.3.9.2-r0
2.3.9.2-r0
dovecot
Alpine:v3.24
before 2.3.9.2-r0
2.3.9.2-r0
dovecot23
openSUSE:Tumbleweed
From an advisory covering 22 CVEs
before 2.3.16-1.6
2.3.16-1.6
dovecot24
openSUSE:Tumbleweed
From an advisory covering 24 CVEs
before 2.4.0-1.1
2.4.0-1.1

History

History
RecordedChangedSources
affected, facts
affected
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-19722 is a medium vulnerability (CVSS 5.3) in Dovecot, published December 13, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.48%, the 84th percentile. Fixed in dovecot 2.3.9.2-r0.

References

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