CVE-2019-14853

High

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.

SeverityHigh

CVSS7.5

Exploit probability—

ProductPython-ecdsa

PublishedNov 26, 2019

First seenNov 26, 2019

Weakness typeCWE-391CWE-391

How to fix

Update

python-ecdsa_project python-ecdsa0.13.3 or later
ecdsa0.13.3 or later

Vendor advisories

debian.org/security/2019/dsa-4588

Affected products

Product	Affected versions	Fixed in
python-ecdsa_project python-ecdsa	v < 0.13.3	0.13.3
ecdsaPyPI	v < 0.13.3	0.13.3

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