CVE-2019-5010

HIGH

Python <3.6.6 - DoS

Title source: llm

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.

Exploits (1)

nomisec WORKING POC

by JonathanWilbur · poc

https://github.com/JonathanWilbur/CVE-2019-5010

View Code ZIP pw:eip

References (8)

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2019:3520

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2019:3725

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html

[Third Party Advisory] https://security.gentoo.org/glsa/202003-26

[Exploit, Third Party Advisory] https://talosintelligence.com/vulnerability_reports/TALOS-2019-0758

[Mailing List] https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E

Scores

CVSS v3 7.5

EPSS 0.0601

EPSS Percentile 90.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-476

Status published

Affected Products (14)

python/python < 2.7.16

opensuse/leap

debian/debian_linux

redhat/enterprise_linux

redhat/enterprise_linux_eus

redhat/enterprise_linux_eus

redhat/enterprise_linux_eus

redhat/enterprise_linux_eus

redhat/enterprise_linux_server_aus

redhat/enterprise_linux_server_aus

redhat/enterprise_linux_server_aus

redhat/enterprise_linux_server_tus

redhat/enterprise_linux_server_tus

redhat/enterprise_linux_server_tus

Timeline

Published Oct 31, 2019

Tracked Since Feb 18, 2026