SB2019072491 - Fedora 30 update for python-twisted
Published: July 24, 2019 Updated: April 25, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Certificate Validation (CVE-ID: CVE-2019-12855)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
In words.protocols.jabber.xmlstream in Twisted through 19.2.1, XMPP support did not verify certificates when used with TLS, allowing an attacker to MITM connections.
Remediation
Install update from vendor's website.