How severe is CVE-2025-8865?

CVE-2025-8865 has a CVSS 4.0 base score of 4.1, rated medium severity.

Is CVE-2025-8865 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-8865?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-8865 have an EU (EUVD) identifier?

Yes. CVE-2025-8865 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24148.

When was CVE-2025-8865 published?

CVE-2025-8865 was published on 2025-08-11 and last updated on 2026-06-17.

CVE-2025-8865

CVE-2025-8865 is a medium-severity vulnerability with a CVSS 4.0 base score of 4.1. 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-476.

Key facts

Severity: Medium (CVSS 4.0 base score 4.1)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24148
Weakness: CWE-476
Published: 2025-08-11
Last modified: 2026-06-17

Description

The YugabyteDB tablet server contains a flaw in its YCQL query handling that can trigger a null pointer dereference when processing certain malformed inputs. An authenticated attacker could exploit this issue to crash the YCQL tablet server, resulting in a denial of service.

Frequently asked questions

What is CVE-2025-8865?: The YugabyteDB tablet server contains a flaw in its YCQL query handling that can trigger a null pointer dereference when processing certain malformed inputs. An authenticated attacker could exploit this issue to crash the YCQL tablet server, resulting in a denial of service.
How severe is CVE-2025-8865?: CVE-2025-8865 has a CVSS 4.0 base score of 4.1, rated medium severity.
Is CVE-2025-8865 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-8865?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8865 have an EU (EUVD) identifier?: Yes. CVE-2025-8865 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24148.
When was CVE-2025-8865 published?: CVE-2025-8865 was published on 2025-08-11 and last updated on 2026-06-17.

References

https://docs.yugabyte.com/preview/secure/vulnerability-disclosure-policy/

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