CVE catalog
CVE-2016-7440
wolfssl: CVE-2016-7440
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.31% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | wolfssl | sid | 5.9.2-1.2 | fixed |
| Debian | wolfssl | trixie | 5.7.2-0.1+deb13u2 | fixed |
| Debian | wolfssl | bookworm | 5.5.4-2+deb12u2 | fixed |
| Debian | wolfssl | bookworm-security | 5.5.4-2+deb12u3 | fixed |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.32-0ubuntu7 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.34-0ubuntu1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.34-0ubuntu2 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.35-0ubuntu1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.35+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.37-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.38-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.40-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.41-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.43-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.44-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.46-0ubuntu0.14.04.2 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.47-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.49-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.50-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.52-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.53-0ubuntu0.14.04.1 | fixed |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.11-0ubuntu4 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.11-0ubuntu5 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.11-0ubuntu6 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.12-0ubuntu1 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.12-0ubuntu1.1 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.13-0ubuntu0.16.04.2 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.15-0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.16-0ubuntu0.16.04.1 | fixed |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.32-1ubuntu1 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.35-1ubuntu1 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.36-1 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.37-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.39-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.40-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.41-0ubuntu0.14.04.2 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.41-1ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.43-1ubuntu0.14.04.2 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.44-1ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.46-1ubuntu0.14.04.2 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.47-1ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.49-1ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.52-1ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mariadb-5.5 | 14.04 | 5.5.53-1ubuntu0.14.04.1 | fixed |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.32-0ubuntu7 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.34-0ubuntu1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.34-0ubuntu2 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.35-0ubuntu1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.35+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.37-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.38-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.40-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.41-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.43-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.44-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.46-0ubuntu0.14.04.2 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.47-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.49-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.50-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.52-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | mysql-5.5 | 14.04 | 5.5.53-0ubuntu0.14.04.1 | fixed |
| Ubuntu | mariadb-10.0 | 16.04 | 10.0.20-0ubuntu0.15.04.1 | vulnerable |
| Ubuntu | mariadb-10.0 | 16.04 | 10.0.22-0ubuntu1 | vulnerable |
| Ubuntu | mariadb-10.0 | 16.04 | 10.0.23-1 | vulnerable |
| Ubuntu | mariadb-10.0 | 16.04 | 10.0.23-2 | vulnerable |
| Ubuntu | mariadb-10.0 | 16.04 | 10.0.24-7 | vulnerable |
| Ubuntu | mariadb-10.0 | 16.04 | 10.0.25-0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | mariadb-10.0 | 16.04 | 10.0.27-0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | mariadb-10.0 | 16.04 | 10.0.28-0ubuntu0.16.04.1 | fixed |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.11-0ubuntu4 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.11-0ubuntu5 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.11-0ubuntu6 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.12-0ubuntu1 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.12-0ubuntu1.1 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.13-0ubuntu0.16.04.2 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.15-0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | mysql-5.7 | 16.04 | 5.7.16-0ubuntu0.16.04.1 | fixed |
| Ubuntu | percona-server-5.6 | 16.04 | 5.6.22-rel71.0-0ubuntu2 | vulnerable |
| Ubuntu | percona-server-5.6 | 16.04 | 5.6.22-rel71.0-0ubuntu4 | vulnerable |
| Ubuntu | percona-server-5.6 | 16.04 | 5.6.22-rel71.0-0ubuntu4.1 | vulnerable |
| Ubuntu | percona-xtradb-cluster-5.6 | 16.04 | 5.6.21-25.8-0ubuntu2 | vulnerable |
| Ubuntu | percona-xtradb-cluster-5.6 | 16.04 | 5.6.21-25.8-0ubuntu3 | vulnerable |
| Ubuntu | percona-xtradb-cluster-5.6 | 16.04 | 5.6.21-25.8-0ubuntu3.1 | vulnerable |
| Ubuntu | percona-xtradb-cluster-5.6 | 16.04 | 5.6.21-25.8-0ubuntu3.2 | vulnerable |
| Ubuntu | percona-xtradb-cluster-5.6 | 16.04 | 5.6.34-26.19-0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | percona-xtradb-cluster-5.6 | 16.04 | 5.6.34-26.19-0ubuntu0.16.04.2 | vulnerable |
| Ubuntu | percona-xtradb-cluster-5.6 | 16.04 | 5.6.37-26.21-0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | percona-xtradb-cluster-5.6 | 16.04 | 5.6.37-26.21-0ubuntu0.16.04.2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | wolfssl | source | sid | 3.9.10+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | wolfssl | source | trixie | 3.9.10+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | wolfssl | source | bookworm | 3.9.10+dfsg-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | mysql-5.5 | deb | 14.04 | 5.5.53-0ubuntu0.14.04.1 | Not reported | USN-3109-1 | Not reported |
| Ubuntu | mysql-5.7 | deb | 16.04 | 5.7.16-0ubuntu0.16.04.1 | Not reported | USN-3109-1 | Not reported |
| Ubuntu | mariadb-5.5 | deb | 14.04 | 5.5.53-1ubuntu0.14.04.1 | Not reported | UBUNTU-CVE-2016-7440 | Not reported |
| Ubuntu | mysql-5.5 | deb | 14.04 | 5.5.53-0ubuntu0.14.04.1 | Not reported | UBUNTU-CVE-2016-7440 | Not reported |
| Ubuntu | mariadb-10.0 | deb | 16.04 | 10.0.28-0ubuntu0.16.04.1 | Not reported | UBUNTU-CVE-2016-7440 | Not reported |
| Ubuntu | mysql-5.7 | deb | 16.04 | 5.7.16-0ubuntu0.16.04.1 | Not reported | UBUNTU-CVE-2016-7440 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libwolfssl35]Fixed
Source package: [wolfssl]
Details (4)
5.5.4-2+deb12u2· amd64 · bookwormFixed · Fixed:
3.9.10+dfsg-1dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12
5.5.4-2+deb12u2· arm64 · bookwormFixed · Fixed:
3.9.10+dfsg-1dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12
5.5.4-2+deb12u3· amd64 · bookworm-securityFixed · Fixed:
3.9.10+dfsg-1dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12
5.5.4-2+deb12u3· arm64 · bookworm-securityFixed · Fixed:
3.9.10+dfsg-1dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12
- [libwolfssl-dev]Fixed
Source package: [wolfssl]
Details (4)
5.5.4-2+deb12u2· amd64 · bookwormFixed · Fixed:
3.9.10+dfsg-1dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12
5.5.4-2+deb12u2· arm64 · bookwormFixed · Fixed:
3.9.10+dfsg-1dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12
5.5.4-2+deb12u3· amd64 · bookworm-securityFixed · Fixed:
3.9.10+dfsg-1dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12
5.5.4-2+deb12u3· arm64 · bookworm-securityFixed · Fixed:
3.9.10+dfsg-1dsa · wolfssl · debian · bookworm; dsa · wolfssl · debian · 12
[Debian 13 (Trixie)]
- [libwolfssl42t64]Fixed
Source package: [wolfssl]
Details (2)
5.7.2-0.1+deb13u1· amd64 · trixieFixed · Fixed:
3.9.10+dfsg-1dsa · wolfssl · debian · 13
5.7.2-0.1+deb13u1· arm64 · trixieFixed · Fixed:
3.9.10+dfsg-1dsa · wolfssl · debian · 13
- [libwolfssl-dev]Fixed
Source package: [wolfssl]
Details (2)
5.7.2-0.1+deb13u1· amd64 · trixieFixed · Fixed:
3.9.10+dfsg-1dsa · wolfssl · debian · 13
5.7.2-0.1+deb13u1· arm64 · trixieFixed · Fixed:
3.9.10+dfsg-1dsa · wolfssl · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-ru-2023_3956-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2016-7440]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2016-7440]
- [https://osv.dev/vulnerability/USN-3109-1]
- [https://security-tracker.debian.org/tracker/CVE-2016-7440]
- [https://wid.cert-bund.de/.well-known/csaf/white/2016/wid-sec-w-2026-3894.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]