How severe is CVE-2023-36326?

CVE-2023-36326 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-2023-36326 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-2023-36326?

CVE-2023-36326 affects Relic Project Relic. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36326?

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-2023-36326 published?

CVE-2023-36326 was published on 2023-09-01 and last updated on 2026-06-17.

CVE-2023-36326

CVE-2023-36326 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 34580d840469361ba9b5f001361cad659687b9ab, allows attackers to execute arbitrary code, cause a denial of service, and escalate privileges when calling realloc function in bn_grow function.

Frequently asked questions

What is CVE-2023-36326?: Integer Overflow vulnerability in RELIC before commit 34580d840469361ba9b5f001361cad659687b9ab, allows attackers to execute arbitrary code, cause a denial of service, and escalate privileges when calling realloc function in bn_grow function.
How severe is CVE-2023-36326?: CVE-2023-36326 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-2023-36326 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-2023-36326?: CVE-2023-36326 affects Relic Project Relic. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36326?: 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-2023-36326 published?: CVE-2023-36326 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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