The OCB feature in libnettle in Nettle 3.9 before 3.9.1 allows memory corruption.
Priority MEDIUM 44CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
The OCB feature in libnettle in Nettle 3.9 before 3.9.1 allows memory corruption.
Why it matters now
EPSS 0.01032 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nettle_project:nettle:3.9:*:*:*:*:*:*:* | 3.9 | Vulnerable | Nettle Project |
- cpe:2.3:a:nettle_project:nettle:3.9:*:*:*:*:*:*:* Versions 3.9 Vulnerable ·Nettle Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-36660
- 2026-10-03 Alias added: GHSA-whjr-4v2f-wjp4
References
More Nettle Project Nettle vulnerabilities
- TI-2015-07249 x86_64/ecc-384-modp.asm in Nettle before 3.2 does not properly handle carry propagation… CVSS 3.0CRITICAL 9.8
- TI-2015-07248 The ecc_256_modp function in ecc-256.c in Nettle before 3.2 does not properly handle… CVSS 3.0CRITICAL 9.8
- TI-2015-07250 The ecc_256_modq function in ecc-256.c in Nettle before 3.2 does not properly handle… CVSS 3.0CRITICAL 9.8
- TI-2021-02529 Improper input validation in nettle CVSS 3.1HIGH 7.5
- TI-2016-05561 The RSA and DSA decryption code in Nettle makes it easier for attackers to discover… CVSS 3.1HIGH 7.5
- TI-2021-03594 Broken or risky cryptographic algorithm in nettle CVSS 3.1HIGH 8.1
Sources
- CVE-2023-36660 · CVE Program
- CVE-2023-36660 · NVD
- FIRST EPSS
- GHSA-whjr-4v2f-wjp4 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-36660 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences