What is CVE-2023-38975?

CVE-2023-38975 is a high-severity vulnerability in Qdrant, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-08-29.

How severe is CVE-2023-38975?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Qdrant

CVE-2023-38975

* Buffer Overflow vulnerability in qdrant v.1.3.2 allows a remote attacker cause a denial of service via the chucnked_vectors.rs component.

Vulnerability class: Buffer Overflow

Published 2023-08-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.6th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Qdrant — versions 1.3.2

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

github.com/qdrant/qdrant/issues/2268 (Exploit, Third Party Advisory, Issue Tracking)
aisec.today/Qdrant-56dd05e12ca94d75a5e798b3fee80fa3 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-38975?: CVE-2023-38975 is a high-severity vulnerability in Qdrant, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-08-29.
How severe is CVE-2023-38975?: High severity. CVSS v3 base score is 7.5 out of 10.