# CVE-2019-14853: python3-ecdsa: An error-handling flaw was found in python-ecdsa before version 0.13.3

CVE-2019-14853 is fixed in 2 products on 1 platform, first by python-ecdsa 0.13-2ubuntu0.18.04.1, released October 13, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-14853
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0241
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 13, 2019

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | python-ecdsa Ubuntu 18.04.6 LTS (bionic) | 0.13-2ubuntu0.18.04.1 | [python-ecdsa 0.13-2ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-ecdsa-0.13-2ubuntu0.18.04.1.md) | Oct 13, 2019 |
| Linux | python3-ecdsa Ubuntu 18.04.6 LTS (bionic) | 0.13-2ubuntu0.18.04.1 | [python3-ecdsa 0.13-2ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-ecdsa-0.13-2ubuntu0.18.04.1.md) | Oct 13, 2019 |

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