Is CVE-2019-19344 in the CISA KEV catalog?

No. CVE-2019-19344 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-19344?

CVE-2019-19344 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2019-19344?

CVE-2019-19344 has an EPSS score of 3.07% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-19344?

Upgrade samba on debian 11 to 2:4.11.5+dfsg-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2019-19344

MEDIUMEPSS 86th pctl

6.5

CVSS v3

NVD

Description

There is a use-after-free issue in all samba 4.9.x versions before 4.9.18, all samba 4.10.x versions before 4.10.12 and all samba 4.11.x versions before 4.11.5, essentially due to a call to realloc() while other local variables still point at the original buffer.

CWE-416Use After Free

How to fix

Remediation Available

sambaDebian

Fixed in:2:4.11.5+dfsg-1CVE-2019-19344

sambaUbuntu

Fixed in:2:4.3.11+dfsg-0ubuntu0.16.04.25USN-4244-1

Fixed in:2:4.7.6+dfsg~ubuntu-0ubuntu2.15USN-4244-1

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

3.07%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Vendor Advisory1

samba.org

Third-Party Advisory5

Other references4

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	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 2025-01-14.