xbcrypt in Percona XtraBackup before 2.3.6 and 2.4.x before 2.4.5 does not properly set…
Priority LOW 29CWE-326Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-326.
Summary
xbcrypt in Percona XtraBackup before 2.3.6 and 2.4.x before 2.4.5 does not properly set the initialization vector (IV) for encryption, which makes it easier for context-dependent attackers to obtain sensitive information from encrypted backup files via a Chosen-Plaintext attack. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-6394.
Why it matters now
EPSS 0.01123 66th 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 · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:percona:xtrabackup:*:*:*:*:*:*:*:* | up to 2.3.5 | Vulnerable | Percona |
| cpe:2.3:a:percona:xtrabackup:2.4.0:rc1:*:*:*:*:*:* | 2.4.0 rc1 | Vulnerable | Percona |
| cpe:2.3:a:percona:xtrabackup:2.4.1:*:*:*:*:*:*:* | 2.4.1 | Vulnerable | Percona |
| cpe:2.3:a:percona:xtrabackup:2.4.2:*:*:*:*:*:*:* | 2.4.2 | Vulnerable | Percona |
| cpe:2.3:a:percona:xtrabackup:2.4.3:*:*:*:*:*:*:* | 2.4.3 | Vulnerable | Percona |
| cpe:2.3:a:percona:xtrabackup:2.4.4:*:*:*:*:*:*:* | 2.4.4 | Vulnerable | Percona |
| cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* | 42.1 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* | 42.2 | Vulnerable | openSUSE |
| cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* | 24 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:* | 25 | Vulnerable | Fedoraproject |
- cpe:2.3:a:percona:xtrabackup:*:*:*:*:*:*:*:* Versions up to 2.3.5 Vulnerable ·Percona
- cpe:2.3:a:percona:xtrabackup:2.4.0:rc1:*:*:*:*:*:* Versions 2.4.0 rc1 Vulnerable ·Percona
- cpe:2.3:a:percona:xtrabackup:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Percona
- cpe:2.3:a:percona:xtrabackup:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Percona
- cpe:2.3:a:percona:xtrabackup:2.4.3:*:*:*:*:*:*:* Versions 2.4.3 Vulnerable ·Percona
- cpe:2.3:a:percona:xtrabackup:2.4.4:*:*:*:*:*:*:* Versions 2.4.4 Vulnerable ·Percona
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* Versions 42.1 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* Versions 42.2 Vulnerable ·openSUSE
- cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* Versions 24 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:* Versions 25 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2016-6225
- 2026-10-03 Alias added: GHSA-qgjv-rwc2-2rr2
References
Patch 3
Sources
- CVE-2016-6225 · CVE Program
- CVE-2016-6225 · NVD
- FIRST EPSS
- GHSA-qgjv-rwc2-2rr2 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-6225 · 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