RHSA-2025:21806 — Security Advisory
Red Hat Security Advisory: python-kdcproxy security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · November 20, 2025
Updated · June 30, 2026
Topic
An update for python-kdcproxy is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.
Security Fix(es):
-
python-kdcproxy: Unauthenticated SSRF via Realm?Controlled DNS SRV (CVE-2025-59088)
-
python-kdcproxy: Remote DoS via unbounded TCP upstream buffering (CVE-2025-59089)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.