What is CVE-2023-36327?

CVE-2023-36327 is a critical-severity vulnerability in Relic Project, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2023-09-01.

How severe is CVE-2023-36327?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Integer overflow in Relic Project

CVE-2023-36327

Integer Overflow vulnerability in RELIC before commit 421f2e91cf2ba42473d4d54daf24e295679e290e, allows attackers to execute arbitrary code and cause a denial of service in pos argument in bn_get_prime function.

Vulnerability class: Integer Overflow

Published 2023-09-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (56.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.001

Affected products

Relic Project

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

Frequently asked questions

What is CVE-2023-36327?: CVE-2023-36327 is a critical-severity vulnerability in Relic Project, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2023-09-01.
How severe is CVE-2023-36327?: Critical severity. CVSS v3 base score is 9.8 out of 10.