Is CVE-2019-3836 in the CISA KEV catalog?

No. CVE-2019-3836 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-3836?

CVE-2019-3836 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2019-3836?

CVE-2019-3836 has an EPSS score of 3.40% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-3836?

Upgrade gnutls28 on debian 11 to 3.6.7-2 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2019-3836

MEDIUMEPSS 88th pctl

5.9

CVSS v3

NVD

Description

It was discovered in gnutls before version 3.6.7 upstream that there is an uninitialized pointer access in gnutls versions 3.6.3 or later which can be triggered by certain post-handshake messages.

CWE-456 CWE-824

How to fix

Remediation Available

gnutls28Debian

Fixed in:3.6.7-2CVE-2019-3836

gnutls28Ubuntu

Fixed in:3.4.10-4ubuntu1.5USN-3999-1

Fixed in:3.5.18-1ubuntu1.1USN-3999-1

libgnutls30Ubuntu

Fixed in:3.4.10-4ubuntu1.5USN-3999-1

Fixed in:3.5.18-1ubuntu1.1USN-3999-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

3.40%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Exploit1

gitlab.com

Third-Party Advisory4

Other references3

Related Vulnerabilities

Other CWE-456 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-14641	Medium	6.5	2.9%	-	-
CVE-2021-34703	Medium	6.8	1.2%	-	-
CVE-2021-40403	Medium	6.3	1.1%	-	Fix
CVE-2023-20226	High	8.6	0.7%	-	-
CVE-2024-32878	High	7.1	0.7%	-	Fix
CVE-2024-9780	High	7.8	0.2%	-	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.