CVE-2016-7440: debian debian_linux
Vulnerability summary
CVE-2016-7440 is a medium (CVSS 5.5) vulnerability in debian debian_linux. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 23.5% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 7Timeline
- 13-12-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.30% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu6 products
- mariadb-10.0< 10.0.28-0ubuntu0.16.04.1
- mariadb-5.5< 5.5.53-1ubuntu0.14.04.1
- mysql-5.5< 5.5.53-0ubuntu0.14.04.1
- mysql-5.7< 5.7.16-0ubuntu0.16.04.1
- percona-server-5.6All versions (No fix recorded)
Debian2 products
- wolfssl< 3.9.10+dfsg-1
- debian_linuxEOL8.0
Mariadb1 product
- mariadb≥ 5.5.0, < 5.5.53 | ≥ 10.0.0, < 10.0.28 | ≥ 10.1.0, < 10.1.19
Oracle1 product
- mysql≥ 5.5.0, ≤ 5.5.52 | ≥ 5.6.0, ≤ 5.6.33 | ≥ 5.7.0, ≤ 5.7.15
Wolfssl1 product
- wolfssl< 3.9.10
5 vendors · 11 products
References
11 links- wolfssl.com/wolfSSL/Blog/Entries/2016/9/26_wolfSSL_3.9.10_Vulnerability_Fixes.htmlX Refsource CONFIRMVendor Advisory
- www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.htmlX Refsource CONFIRMPatchThird Party Advisory