Is CVE-2016-5419 in the CISA KEV catalog?

No. CVE-2016-5419 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-5419?

CVE-2016-5419 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2016-5419?

CVE-2016-5419 has an EPSS score of 15.06% (96th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-5419?

Upgrade curl on debian 11 to 7.50.1-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2016-5419

HIGHEPSS 96th pctl

7.5

CVSS v3

NVD

Description

curl and libcurl before 7.50.1 do not prevent TLS session resumption when the client certificate has changed, which allows remote attackers to bypass intended restrictions by resuming a session.

CWE-310Cryptographic Issues

How to fix

Remediation Available

curlDebian

Fixed in:7.50.1-1CVE-2016-5419

curlUbuntu

Fixed in:7.35.0-1ubuntu2.8USN-3048-1

Fixed in:7.47.0-1ubuntu2.1USN-3048-1

libcurl3Ubuntu

Fixed in:7.35.0-1ubuntu2.8USN-3048-1

Fixed in:7.47.0-1ubuntu2.1USN-3048-1

libcurl3-gnutlsUbuntu

Fixed in:7.35.0-1ubuntu2.8USN-3048-1

Fixed in:7.47.0-1ubuntu2.1USN-3048-1

libcurl3-nssUbuntu

Fixed in:7.35.0-1ubuntu2.8USN-3048-1

Fixed in:7.47.0-1ubuntu2.1USN-3048-1

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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

15.06%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

Patch1

curl.haxx.se

Third-Party Advisory2

Other references16

Related Vulnerabilities

Other CWE-310 (Cryptographic Issues) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-3566	Low	3.4	100%	-	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2015-0204	Medium	4.3	99%	-	Fix
CVE-2016-2107	Medium	5.9	89%	-	Fix
CVE-2016-0800	Medium	5.9	82%	-	Fix
CVE-2014-8684	Critical	9.8	72%	-	-

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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.