VULNERABILITY INTELLIGENCE

CVE-2019-14853

CVSS score7.5 HIGH
EPSS probability2.41%
CISA KEVNot currently listed
Published2019-11-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-391: Unchecked Error Condition
  • CWE-755: Improper Handling of Exceptional Conditions

Primary references