CVE-2019-5010
HIGH 7.5EPSS 20.7%
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.
- Affected
- Python
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS v3.0 CISCO
- 5.9 MEDIUM
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS v2.0 NVD
- 5.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P - EPSS
- 20.74% chance of exploitation in the next 30 days, 98th percentile
- Published
- 2019-10-31
- Updated
- 2026-10-07
Proof-of-concept exploits (2)
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0758
- JonathanWilbur/CVE-2019-50100★ · 2023-01-24
Security advisories
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
- https://access.redhat.com/errata/RHSA-2019:3520
- https://access.redhat.com/errata/RHSA-2019:3725
- https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html
- https://security.gentoo.org/glsa/202003-26