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CVE-2025-59088VulnerabilityPublished Updated

Red Hat Security Advisory: python-kdcproxy security update

Affects Red Hat python-kdcproxySource GCVE Database

0

Mentioned vulnerabilities

Authoritative record:CVE-2025-59088· High 8.6

Not known to be exploited · CVSS 8.6 High : upgrade the Red Hat redhat/python-kdcproxy package to 9.8 soon.

Data as of 26 Oct 2026, 09:15 UTC

CVSS 3.1 base score
8.6High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 41% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade the Red Hat redhat/python-kdcproxy package to 9.8.

Affected software

ProductAffectedFixed in
Red Hatredhat/python-kdcproxypkg:rpm/redhat/python-kdcproxyOther threatsAffected
  • =9
  • <9.8
Fixed in
  • 9.8

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Red Hat has released an official security update for python-kdcproxy in Red Hat Enterprise Linux 9 addressing these vulnerabilities. Users should apply the update as described in the Red Hat advisory RHSA-2025:21139 and the related article https://access.redhat.com/articles/11258. This update is available for all supported architectures and variants of Red Hat Enterprise Linux 9. Applying this update mitigates the SSRF and DoS vulnerabilities.

Description

Two security vulnerabilities have been identified in the python-kdcproxy component of Red Hat Enterprise Linux 9. These include an unauthenticated Server-Side Request Forgery (SSRF) via realm-controlled DNS SRV records (CVE-2025-59088) and a remote denial of service (DoS) caused by unbounded TCP upstream buffering (CVE-2025-59089). Red Hat has issued an important security update addressing these issues. The update is available for multiple architectures and variants of Red Hat Enterprise Linux 9. Users are advised to apply the update as detailed in the Red Hat advisory.

References

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