CVE-2019-5010

high-risk
Published 2019-10-31

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.

Do I need to act?

~
5.4% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (14)

Affected Vendors

Debian Redhat Python Opensuse

References (16)

Mailing List 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
https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab...
Mailing List https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html
Mailing List https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html
Third Party Advisory https://security.gentoo.org/glsa/202003-26
Exploit https://talosintelligence.com/vulnerability_reports/TALOS-2019-0758
Mailing List 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
https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab...
Mailing List https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html
Mailing List https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html
Third Party Advisory https://security.gentoo.org/glsa/202003-26
Exploit https://talosintelligence.com/vulnerability_reports/TALOS-2019-0758
52
/ 100
high-risk
Severity 26/34 · High
Exploitability 8/34 · Low
Exposure 18/34 · Moderate