# Python-kdcproxy: remote dos via unbounded tcp upstream buffering CVE record · `CVE-2025-59089` - **Identifiers:** `CVE-2025-59089` - **State:** Confirmed - **Severity:** CVSS 5.9 Medium - **Critical:** No - **CNA:** redhat - **Weakness (CWE):** [CWE-770](https://cwe.mitre.org/data/definitions/770.html) - **Tags:** [Denial of service](https://agentprime.io/advisories/tag/dos.md) - **Technologies:** [latchset kdcproxy](https://agentprime.io/advisories/technology/latchset-kdcproxy.md) · [Red Hat Enterprise Linux 10](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-10.md) · [Red Hat Enterprise Linux 10.0 Extended Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-10-0-extended-update-support.md) · [Red Hat Enterprise Linux 7 Extended Lifecycle Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-7-extended-lifecycle-support.md) · [Red Hat Enterprise Linux 8](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8.md) · [Red Hat Enterprise Linux 8.2 Advanced Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-2-advanced-update-support.md) · [Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-4-advanced-mission-critical-update-support.md) · [Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-4-extended-update-support-long-life-add-on.md) · [Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-6-advanced-mission-critical-update-support.md) · [Red Hat Enterprise Linux 8.6 Telecommunications Update Service](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-6-telecommunications-update-service.md) · [Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-6-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 8.8 Telecommunications Update Service](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-8-telecommunications-update-service.md) · [Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-8-8-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 9](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9.md) · [Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-0-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-2-update-services-for-sap-solutions.md) · [Red Hat Enterprise Linux 9.4 Extended Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-4-extended-update-support.md) · [Red Hat Enterprise Linux 9.6 Extended Update Support](https://agentprime.io/advisories/technology/red-hat-enterprise-linux-9-6-extended-update-support.md) - **Published:** 12 Nov 2025 - **Updated:** 30 Jun 2026 - **Reviewed by a person:** No 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: latchset. Product: kdcproxy. - affected: `before 1.1.0` (semver) - Other versions: unaffected - Package name: `kdcproxy` - Collection: `https://github.com/latchset/kdcproxy` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 10. - unaffected: `0:1.0.0-19.el10_1 to before *` (rpm) - Other versions: affected - Package name: `python-kdcproxy` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 10.0 Extended Update Support. - unaffected: `0:1.0.0-19.el10_0 to before *` (rpm) - Other versions: affected - Package name: `python-kdcproxy` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 7 Extended Lifecycle Support. - unaffected: `0:0.3.2-3.el7_9.3 to before *` (rpm) - Other versions: affected - Package name: `python-kdcproxy` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8. - unaffected: `8100020251103113748.143e9e98 to before *` (rpm) - Other versions: affected - Package name: `idm:client` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8. - unaffected: `8100020251028161822.823393f5 to before *` (rpm) - Other versions: affected - Package name: `idm:DL1` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.2 Advanced Update Support. - unaffected: `8020020251106022345.792f4060 to before *` (rpm) - Other versions: affected - Package name: `idm:DL1` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support. - unaffected: `8040020251103205102.5b01ab7e to before *` (rpm) - Other versions: affected - Package name: `idm:DL1` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. - unaffected: `8040020251103205102.5b01ab7e to before *` (rpm) - Other versions: affected - Package name: `idm:DL1` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support. - unaffected: `8060020251030180424.ada582f1 to before *` (rpm) - Other versions: affected - Package name: `idm:DL1` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Telecommunications Update Service. - unaffected: `8060020251030180424.ada582f1 to before *` (rpm) - Other versions: affected - Package name: `idm:DL1` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions. - unaffected: `8060020251030180424.ada582f1 to before *` (rpm) - Other versions: affected - Package name: `idm:DL1` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.8 Telecommunications Update Service. - unaffected: `8080020251029082621.b0a6ceea to before *` (rpm) - Other versions: affected - Package name: `idm:DL1` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions. - unaffected: `8080020251029082621.b0a6ceea to before *` (rpm) - Other versions: affected - Package name: `idm:DL1` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9. - unaffected: `0:1.0.0-9.el9_7 to before *` (rpm) - Other versions: affected - Package name: `python-kdcproxy` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. - unaffected: `0:1.0.0-7.el9_0.1 to before *` (rpm) - Other versions: affected - Package name: `python-kdcproxy` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. - unaffected: `0:1.0.0-7.el9_2.1 to before *` (rpm) - Other versions: affected - Package name: `python-kdcproxy` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.4 Extended Update Support. - unaffected: `0:1.0.0-7.el9_4.1 to before *` (rpm) - Other versions: affected - Package name: `python-kdcproxy` - Collection: `https://access.redhat.com/downloads/content/package-browser/` - Vendor: Red Hat. Product: Red Hat Enterprise Linux 9.6 Extended Update Support. - unaffected: `0:1.0.0-9.el9_6 to before *` (rpm) - Other versions: affected - Package name: `python-kdcproxy` - Collection: `https://access.redhat.com/downloads/content/package-browser/` ## 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 - 5.9 Medium, CVSS 3.1: `CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H`, from 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 - [CVE List: CVE-2025-59089](https://www.cve.org/CVERecord?id=CVE-2025-59089) - [NVD: CVE-2025-59089](https://nvd.nist.gov/vuln/detail/CVE-2025-59089) ### References from the CNA - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vendor-advisory, redhat) - (vdb-entry, redhat) - (issue-tracking, redhat) - - 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. ## Check whether this affects you This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run. - With the agentprime MCP server (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .