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CVE-2019-5010

34
FAUCET Score

CVE-2019-5010 is a denial-of-service vulnerability in the X509 certificate parser of Python 2.7.11 and 3.6.6, affecting various distributions including Debian, openSUSE, and Red Hat. This vulnerability, rated 7.5 HIGH, allows an unauthenticated attacker to trigger a NULL pointer dereference by presenting a specially crafted X509 certificate during TLS connection initiation or acceptance, leading to a denial of service. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.7.0, < 2.7.16CPE matchmatch criteria
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
>= 3.4.0, < 3.4.10CPE matchmatch criteria
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
>= 3.5.0, < 3.5.7CPE matchmatch criteria
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
>= 3.6.0, < 3.6.9CPE matchmatch criteria
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
>= 3.7.0, < 3.7.3CPE matchmatch criteria
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
21.44%
Probability of exploitation in next 30 days
EPSS Percentile
97.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.2144 is in the 96th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (13)

nodejspatch availablevia llm_extracted
View patch
pjsippatch availablevia llm_extracted
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.4 for RHEL 7Fixed in: ansible-tower-37/ansible-tower-memcached-rhel7:1.4.15-28
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: python-0:2.7.5-86.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python3-0:3.6.8-15.1.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-python36-python-0:3.6.9-2.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.4 for RHEL 7Fixed in: ansible-tower-34/ansible-tower-memcached:1.4.15-28
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-python36-python-0:3.6.9-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-python36-python-0:3.6.9-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-python36-python-0:3.6.9-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-python36-python-0:3.6.9-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.4 for RHEL 7Fixed in: ansible-tower-35/ansible-tower-memcached:1.4.15-28
View patch
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-python35-python

Vendor Advisories (3)

nodejsllm-nodejs-302528ae26f0d946CRITICAL

HP ThinPro 8.1 SP4 Security Updates

Oct 29, 2024
pjsipllm-pjsip-7ba3ec379210ac70CRITICAL

HP ThinPro 8.1 SP4 Security Updates

Oct 29, 2024
redhatCVE-2019-5010Moderate

python: NULL pointer dereference using a specially crafted X509 certificate

Jan 15, 2019

References

lists.opensuse.org / opensuse-security-announce/2020-01/msg00040.html
Mailing ListThird Party Advisory
access.redhat.com / errata/RHSA-2019:3520
Third Party Advisory
access.redhat.com / errata/RHSA-2019:3725
Third Party Advisory
lists.apache.org / thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
lists.debian.org / debian-lts-announce/2020/07/msg00011.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2020/08/msg00034.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202003-26
Third Party Advisory
talosintelligence.com / vulnerability_reports/TALOS-2019-0758
ExploitThird Party Advisory