Is CVE-2019-14853 in the CISA KEV catalog?

No. CVE-2019-14853 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-14853?

CVE-2019-14853 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2019-14853?

CVE-2019-14853 has an EPSS score of 2.50% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-14853?

Upgrade python-ecdsa on debian 11 to 0.13.3-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2019-14853

HIGHEPSS 83th pctl

7.5

CVSS v3

NVD

Description

An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service.

CWE-391 CWE-755

How to fix

Remediation Available

python-ecdsaDebian

Fixed in:0.13.3-1CVE-2019-14853

python-ecdsaUbuntu

Fixed in:0.13-2ubuntu0.16.04.1USN-4196-1

Fixed in:0.13-2ubuntu0.18.04.1USN-4196-1

python3-ecdsaUbuntu

Fixed in:0.13-2ubuntu0.16.04.1USN-4196-1

Fixed in:0.13-2ubuntu0.18.04.1USN-4196-1

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

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.50%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Third-Party Advisory1

bugzilla.redhat.com

Release Notes1

github.com

Other references2

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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.