Integer overflow in moos-ivp Kerberos 5
Priority LOW 32CWE-190Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · High
- Fix status
- Partial Red Hat: 6 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a large update size to resize() in kdb_log.c. An authenticated attacker can cause an out-of-bounds write and kadmind daemon crash.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00507 43rd percentileScored 2026-11-07
Fix Partial Kerberos 5 (MIT): 1.22Red Hat: 5 advisoriesRed Hat: 6 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Kerberos 5 (MIT) Fixed in 1.22
Red Hat 5 advisories
- RHSA-2025:8385 Released 2025-06-02 · Red Hat rating ModerateA Subscription Management tool for finding and reporting Red Hat product usage
- Red Hat Discovery 1.14 registry.redhat.io/discovery/discovery-server-rhel9, registry.redhat.io/discovery/discovery-ui-rhel9
- RHSA-2025:7067 Released 2025-05-13 · Red Hat rating Moderatekrb5 security update
- Red Hat Enterprise Linux AppStream (v. 9) krb5-devel-1.21.1-6.el9
- Red Hat Enterprise Linux BaseOS (v. 9) krb5-1.21.1-6.el9, krb5-libs-1.21.1-6.el9, krb5-pkinit-1.21.1-6.el9 +4
- RHSA-2025:2789 Released 2025-03-13 · Red Hat rating ImportantRed Hat build of OpenTelemetry 3.5.0 release
- Red Hat OpenShift distributed tracing 3.5.3 registry.redhat.io/rhosdt/opentelemetry-collector-rhel8, registry.redhat.io/rhosdt/opentelemetry-rhel8-operator, registry.redhat.io/rhosdt/opentelemetry-target-allocator-rhel8
Show 2 more Red Hat advisories
- RHSA-2025:2722 Released 2025-03-13 · Red Hat rating Moderatekrb5 security update
- Red Hat Enterprise Linux BaseOS (v. 8) krb5-1.18.2-31.el8_10, krb5-devel-1.18.2-31.el8_10, krb5-libs-1.18.2-31.el8_10 +5
- RHSA-2025:1352 Released 2025-02-12 · Red Hat rating Moderatekrb5 security update
- Red Hat Enterprise Linux Server (v. 7 ELS) krb5-1.15.1-55.el7_9.4, krb5-devel-1.15.1-55.el7_9.4, krb5-devel-1.15.1-55.el7_9.4.ppc +8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat Discovery 1.14 | Fixed | RHSA-2025:8385 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2025:7067 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2025:2722 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2025:7067 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2025:1352 |
| Red Hat OpenShift distributed tracing 3.5.3 | Fixed | RHSA-2025:2789 |
Not affected: 3 products
- Red Hat Ansible Automation Platform 2
- Red Hat Enterprise Linux 10
- Red Hat OpenShift distributed tracing 3.5.3
Timeline
- 2026-10-02 Threatist record created from CVE-2025-24528
- 2026-10-03 Alias added: GHSA-wrjh-fhfj-xhfm
- 2026-10-21 Affected versions changed · Red Hat
- 2026-10-22 Affected versions changed · Red Hat
References
More moos-ivp vulnerabilities
- TI-2011-04182 Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT… CVSS 2.0HIGH 10.0
- TI-2024-17421 Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c. CVSS 3.1HIGH 7.5
- TI-2001-00539 Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows… CVSS 2.0HIGH 10.0
- TI-2026-29130 NULL pointer dereference in moos-ivp Kerberos 5 CVSS 3.1HIGH 7.5
- TI-2007-00929 The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass… CVSS 2.0HIGH 10.0
- TI-2011-00268 The process_chpw_request function in schpw.c in the password-changing functionality in… CVSS 2.0HIGH 10.0
Sources
- CVE-2025-24528 · CVE Program
- CVE-2025-24528 · NVD
- FIRST EPSS
- GHSA-wrjh-fhfj-xhfm · GitHub Advisory Database · CC BY 4.0
- CVE-2025-24528 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences