What is CVE-2023-45873?

CVE-2023-45873 is a medium-severity vulnerability in Couchbase Server, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2024-02-28.

How severe is CVE-2023-45873?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Couchbase Server

CVE-2023-45873

An issue was discovered in Couchbase Server through 7.2.2. A data reader may cause a denial of service (application exist) because of the OOM killer.

Published 2024-02-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Couchbase Server

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

forums.couchbase.com/tags/security (Product)
docs.couchbase.com/server/current/release-notes/relnotes.html (Release Notes)
www.couchbase.com/alerts/ (Vendor Advisory)

Frequently asked questions

What is CVE-2023-45873?: CVE-2023-45873 is a medium-severity vulnerability in Couchbase Server, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2024-02-28.
How severe is CVE-2023-45873?: Medium severity. CVSS v3 base score is 6.5 out of 10.