Is CVE-2016-2053 in the CISA KEV catalog?

No. CVE-2016-2053 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-2053?

CVE-2016-2053 has a CVSS v3 base score of 4.7 (MEDIUM).

What is the EPSS score for CVE-2016-2053?

CVE-2016-2053 has an EPSS score of 0.48% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-2053?

Upgrade linux on debian 11 to 4.3.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2016-2053

MEDIUM

4.7

CVSS v3

NVD

Description

The asn1_ber_decoder function in lib/asn1_decoder.c in the Linux kernel before 4.3 allows attackers to cause a denial of service (panic) via an ASN.1 BER file that lacks a public key, leading to mishandling by the public_key_verify_signature function in crypto/asymmetric_keys/public_key.c.

CWE-310Cryptographic Issues

How to fix

Remediation Available

linuxDebian

Fixed in:4.3.1-1CVE-2016-2053

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 VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.48%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

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.