The C software implementation of AES Encryption and Decryption in wolfSSL (formerly…
Priority LOW 25Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
The C software implementation of AES Encryption and Decryption in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover AES keys by leveraging cache-bank timing differences.
Why it matters now
EPSS 0.00307 23rd 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* | 5.5.0 to before 5.5.53; 10.0.0 to before 10.0.28; 10.1.0 to before 10.1.19 | Vulnerable | MariaDB |
| cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* | 5.5.0 – 5.5.52; 5.6.0 – 5.6.33; 5.7.0 – 5.7.15 | Vulnerable | Oracle |
| cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* | before 3.9.10 | Vulnerable | wolfSSL |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
- cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* Versions 5.5.0 to before 5.5.53; 10.0.0 to before 10.0.28; 10.1.0 to before 10.1.19 Vulnerable ·MariaDB
- cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* Versions 5.5.0 – 5.5.52; 5.6.0 – 5.6.33; 5.7.0 – 5.7.15 Vulnerable ·Oracle
- cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* Versions before 3.9.10 Vulnerable ·wolfSSL
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
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: 12 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
- Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
- Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
- Red Hat OpenStack Platform 10 (Newton)
- Red Hat OpenStack Platform 11 (Ocata)
- Red Hat OpenStack Platform 12 (Pike)
- Red Hat OpenStack Platform 8 (Liberty)
- Red Hat OpenStack Platform 9 (Mitaka)
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7440
- 2026-10-03 Alias added: GHSA-7x96-8fm7-rhwj
References
Sources
- CVE-2016-7440 · CVE Program
- CVE-2016-7440 · NVD
- FIRST EPSS
- GHSA-7x96-8fm7-rhwj · GitHub Advisory Database · CC BY 4.0
- CVE-2016-7440 · 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