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CVE-2019-19722

MEDIUMCVSS 5.3/10EPSS 2.48%

Last modified

CVE-2019-19722 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 2.48% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Probability
2.48%

82.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DovecotDovecot< 2.3.9.2
FedoraprojectFedora30
FedoraprojectFedora31

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-19722?
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.
How severe is CVE-2019-19722?
CVE-2019-19722 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 2.48% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19722?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19722?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST