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CVE-2019-14853

7.5 · HIGH

An error-handling flaw was found in python-ecdsa before version 0.13.3.

Published Nov 26, 2019CWE-391EPSS 2.41%

Overview

CVE-2019-14853 is a high-severity vulnerability. It was published on November 26, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853GitHubgithub.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3Refseclists.org/bugtraq/2019/Dec/33Refwww.debian.org/security/2019/dsa-4588Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853GitHubgithub.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3Refseclists.org/bugtraq/2019/Dec/33Refwww.debian.org/security/2019/dsa-4588

How CyberStrike helps

Frequently asked questions

What is CVE-2019-14853?

CVE-2019-14853 is a high-severity vulnerability. It was published on November 26, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2019-14853?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-14853?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-14853?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-14853 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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