9.8

CVE-2023-36660: nettle_project nettle Out-of-bounds Write

CVSS: 9.8v3.1CriticalModified
Published 25-06-2023Last modified 14-10-2026
Open JSON

Vulnerability summary

CVE-2023-36660 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in nettle_project nettle. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 62.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.02%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-06-2023
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

The OCB feature in libnettle in Nettle 3.9 before 3.9.1 allows memory corruption.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.02%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

0.00 pp

From 1.02% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.02%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Nettle_project1 product

1 vendor · 1 product

References

5 links