How severe is CVE-2025-23388?

CVE-2025-23388 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2025-23388 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-23388?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-23388 have an EU (EUVD) identifier?

Yes. CVE-2025-23388 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10800.

When was CVE-2025-23388 published?

CVE-2025-23388 was published on 2025-04-11 and last updated on 2026-06-17.

CVE-2025-23388

CVE-2025-23388 is a high-severity vulnerability with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10800
Weakness: CWE-121
Published: 2025-04-11
Last modified: 2026-06-17

Description

A Stack-based Buffer Overflow vulnerability in SUSE rancher allows for denial of service.This issue affects rancher: from 2.8.0 before 2.8.13, from 2.9.0 before 2.9.7, from 2.10.0 before 2.10.3.

Frequently asked questions

What is CVE-2025-23388?: A Stack-based Buffer Overflow vulnerability in SUSE rancher allows for denial of service.This issue affects rancher: from 2.8.0 before 2.8.13, from 2.9.0 before 2.9.7, from 2.10.0 before 2.10.3.
How severe is CVE-2025-23388?: CVE-2025-23388 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2025-23388 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-23388?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-23388 have an EU (EUVD) identifier?: Yes. CVE-2025-23388 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10800.
When was CVE-2025-23388 published?: CVE-2025-23388 was published on 2025-04-11 and last updated on 2026-06-17.

References

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities

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CVE-2026-12485 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
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