VULNERABILITY INTELLIGENCE
CVE-2019-5010
CVSS score7.5 HIGH
EPSS probability20.74%
CISA KEVNot currently listed
Published2019-10-31
Last modified2026-10-07
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS connections using crafted certificates to trigger this vulnerability.
Weakness classification
- CWE-476: NULL Pointer Dereference
Primary references
- talos-cna@cisco.com — Mailing List, Third Party Advisory
- talos-cna@cisco.com — Third Party Advisory
- talos-cna@cisco.com — Third Party Advisory
- talos-cna@cisco.com
- talos-cna@cisco.com — Mailing List, Third Party Advisory
- talos-cna@cisco.com — Mailing List, Third Party Advisory
- talos-cna@cisco.com — Third Party Advisory
- talos-cna@cisco.com — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108