Is CVE-2016-7444 in the CISA KEV catalog?

No. CVE-2016-7444 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-7444?

CVE-2016-7444 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2016-7444?

CVE-2016-7444 has an EPSS score of 2.44% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-7444?

Upgrade gnutls28 on debian 11 to 3.5.3-4 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2016-7444

HIGHEPSS 82th pctl

7.5

CVSS v3

NVD

Description

The gnutls_ocsp_resp_check_crt function in lib/x509/ocsp.c in GnuTLS before 3.4.15 and 3.5.x before 3.5.4 does not verify the serial length of an OCSP response, which might allow remote attackers to bypass an intended certificate validation mechanism via vectors involving trailing bytes left by gnutls_malloc.

CWE-264Permissions, Privileges, and Access Controls

How to fix

Remediation Available

gnutls28Debian

Fixed in:3.5.3-4CVE-2016-7444

gnutls26Ubuntu

Fixed in:2.12.23-12ubuntu2.6USN-3183-1

gnutls28Ubuntu

Fixed in:3.4.10-4ubuntu1.2USN-3183-1

libgnutls26Ubuntu

Fixed in:2.12.23-12ubuntu2.6USN-3183-1

libgnutls30Ubuntu

Fixed in:3.4.10-4ubuntu1.2USN-3183-1

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

2.44%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch1

gitlab.com

Vendor Advisory1

gnutls.org

Third-Party Advisory1

lists.gnupg.org

Other references3

Related Vulnerabilities

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2012-1456	Medium	4.3	100%	-	-
CVE-2012-1459	Medium	4.3	100%	-	Fix
CVE-2012-1446	Medium	4.3	100%	-	-
CVE-2012-1443	Medium	4.3	100%	-	-
CVE-2012-1442	Medium	4.3	99%	-	-
CVE-2012-1457	Medium	4.3	98%	-	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 2026-05-06.