CVE•Published 2019-10-31•Modified 2026-10-07•1 article on news•6 live references•NVD data
CVE-2019-5010Python · Python
Vulnerability data via NVD (ingested)
CVSS v3.1
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS percentile
97
Exploit Prediction Scoring System · top 3% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2019-10-31
Modified 2026-10-07
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag43,373 hosts
vuln:CVE-2019-5010Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Python Python"All exposed Python Python instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Python"HTTP body or banner mentions "Python" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2019-5010Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2019-5010Censys host search filtered to this CVE id.
grep.app
CVE-2019-5010Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2019-5010GitHub code search for direct mentions.
Google dork
"CVE-2019-5010" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.