Red Hat Security Advisory: python-kdcproxy security update
Affects Red Hat python-kdcproxySource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 8.6 High : upgrade the Red Hat redhat/python-kdcproxy package to 10.2 soon.
Data as of 26 Oct 2026, 09:15 UTC
- 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 10.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 12 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 10.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Red Hatredhat/python-kdcproxypkg:rpm/redhat/python-kdcproxyOther threats | Affected
| Fixed in
|
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 updated python-kdcproxy packages for Red Hat Enterprise Linux 10 and its variants that fix these vulnerabilities. Users should apply these official updates promptly. For detailed update instructions, refer to Red Hat's advisory and article at https://access.redhat.com/articles/11258. No additional mitigations are specified or required beyond applying the official patches.
Description
Two security vulnerabilities have been identified in the python-kdcproxy component of Red Hat Enterprise Linux 10. The first is an unauthenticated Server-Side Request Forgery (SSRF) vulnerability via realm-controlled DNS SRV records (CVE-2025-59088). The second is a remote denial-of-service (DoS) vulnerability caused by unbounded TCP upstream buffering (CVE-2025-59089). These issues have been addressed in updated python-kdcproxy packages provided by Red Hat.
References
- access.redhat.com/errata/RHSA-2025:21142 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2393955 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2393958 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_21142.json (opens in a new tab)