CVE record · CVE-2025-59089

Python-kdcproxy: remote dos via unbounded tcp upstream buffering

CVSS 5.9 MediumEPSS 0.0056 · 46th percentile

Published by the CVE Program (CNA: redhat) at 12 Nov 2025, 16:40 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
latchset	kdcproxy Package name: kdcproxy https://github.com/latchset/kdcproxy	affected before 1.1.0 semver Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 10 Package name: python-kdcproxy https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.0.0-19.el10_1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support Package name: python-kdcproxy https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.0.0-19.el10_0 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support Package name: python-kdcproxy https://access.redhat.com/downloads/content/package-browser/	unaffected 0:0.3.2-3.el7_9.3 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: idm:client https://access.redhat.com/downloads/content/package-browser/	unaffected 8100020251103113748.143e9e98 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: idm:DL1 https://access.redhat.com/downloads/content/package-browser/	unaffected 8100020251028161822.823393f5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.2 Advanced Update Support Package name: idm:DL1 https://access.redhat.com/downloads/content/package-browser/	unaffected 8020020251106022345.792f4060 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Package name: idm:DL1 https://access.redhat.com/downloads/content/package-browser/	unaffected 8040020251103205102.5b01ab7e to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Package name: idm:DL1 https://access.redhat.com/downloads/content/package-browser/	unaffected 8040020251103205102.5b01ab7e to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Package name: idm:DL1 https://access.redhat.com/downloads/content/package-browser/	unaffected 8060020251030180424.ada582f1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Telecommunications Update Service Package name: idm:DL1 https://access.redhat.com/downloads/content/package-browser/	unaffected 8060020251030180424.ada582f1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Package name: idm:DL1 https://access.redhat.com/downloads/content/package-browser/	unaffected 8060020251030180424.ada582f1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service Package name: idm:DL1 https://access.redhat.com/downloads/content/package-browser/	unaffected 8080020251029082621.b0a6ceea to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Package name: idm:DL1 https://access.redhat.com/downloads/content/package-browser/	unaffected 8080020251029082621.b0a6ceea to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: python-kdcproxy https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.0.0-9.el9_7 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Package name: python-kdcproxy https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.0.0-7.el9_0.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Package name: python-kdcproxy https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.0.0-7.el9_2.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support Package name: python-kdcproxy https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.0.0-7.el9_4.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support Package name: python-kdcproxy https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.0.0-9.el9_6 to before * rpm Other versions: affected

Identifiers: CVE-2025-59089
CNA: redhat
Weakness (CWE): CWE-770
Tags: latchset kdcproxy
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 10.0 Extended Update Support
Red Hat Enterprise Linux 7 Extended Lifecycle Support
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.2 Advanced Update Support
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Denial of service
Published: 12 Nov 2025
Updated: 30 Jun 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.9	Medium	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0056, the 46th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 12 Nov 2025. New records show when each source confirmed them.

Sources

References from the CNA

access.redhat.com/errata/RHSA-2025:21138 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:21139 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:21140 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:21141 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:21142 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:21448 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:21748 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:21806 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:21818 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:21819 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:21820 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:21821 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:22982 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2025-59089 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2393958 issue-trackingredhat
github.com/latchset/kdcproxy/commit/c7675365aa20be11f03247966336c7613cac84e1
github.com/latchset/kdcproxy/pull/68

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.