CVE-2019-5010
High
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.
SeverityHigh
CVSS7.5
Exploit probability98. percentile20.7%
Product
Python
PublishedOct 31, 2019
First seenOct 31, 2019
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- python python2.7.16, 3.4.10, 3.5.7, 3.6.9, 3.7.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| python python | 2.7.0 ≤ v < 2.7.16, 3.4.0 ≤ v < 3.4.10, 3.5.0 ≤ v < 3.5.7, 3.6.0 ≤ v < 3.6.9, 3.7.0 ≤ v < 3.7.3 | 2.7.16, 3.4.10, 3.5.7, 3.6.9, 3.7.3 |
| opensuse leap | 15.1 | — |
| debian debian_linux | 9.0 | — |
| redhat enterprise_linux | 8.0 | — |
| redhat enterprise_linux_eus | 8.1, 8.2, 8.4, 8.6 | — |
| redhat enterprise_linux_server_aus | 8.2, 8.4, 8.6 | — |
| redhat enterprise_linux_server_tus | 8.2, 8.4, 8.6 | — |
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