How severe is CVE-2023-36327?

CVE-2023-36327 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-36327 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36327?

CVE-2023-36327 affects Relic Project Relic. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36327?

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

When was CVE-2023-36327 published?

CVE-2023-36327 was published on 2023-09-01 and last updated on 2026-06-17.

CVE-2023-36327

CVE-2023-36327 is a critical-severity vulnerability in Relic Project Relic with a CVSS 3.x base score of 9.8. 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-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Relic Project Relic
Published: 2023-09-01
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-36327?: CVE-2023-36327 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-36327 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36327?: CVE-2023-36327 affects Relic Project Relic. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36327?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-36327 published?: CVE-2023-36327 was published on 2023-09-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:relic_project:relic:*:*:*:*:*:*:*:*

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