CVE-2019-14853
python-ecdsa - security update
7.5
HIGH
CVSS 3.1
EPSS 0.08%
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.
How to fix CVE-2019-14853
To remediate CVE-2019-14853, upgrade the affected package to a fixed version below.
- Debian/python-ecdsa—upgrade to 0.13.3-1 or later
- —upgrade to 0.11-1+deb8u1 or later
- —upgrade to 0.13-2+deb9u1 or later
- —upgrade to 0.13.3 or later
- —upgrade to 0.13.3 or later
- —upgrade to 0.13.3 or later
Is CVE-2019-14853 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- from 0, < 0.13.3-1
- from 0, < 0.11-1+deb8u1
- from 0, < 0.13-2+deb9u1
- from 0, < 0.13.3
- from 0, < 0.13.3
- from 0, < 0.13.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |