Is CVE-2019-19722 in the CISA KEV catalog?

No. CVE-2019-19722 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-19722?

CVE-2019-19722 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2019-19722?

CVE-2019-19722 has an EPSS score of 2.48% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-19722?

Upgrade dovecot to 2.3.9.2 or later.

CVE & CISA-KEV Catalog

CVE-2019-19722

MEDIUMEPSS 83th pctl

5.3

CVSS v3

NVD

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.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

dovecotNVD

Affected:< 2.3.9.2Fixed in:2.3.9.2CVE-2019-19722derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

2.48%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Vendor Advisory3

Third-Party Advisory1

openwall.com

Other references2

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.