The ssl_parse_client_key_exchange function in XySSL before 0.9 does not protect against…
Priority LOW 36CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
The ssl_parse_client_key_exchange function in XySSL before 0.9 does not protect against certain Bleichenbacher attacks using chosen ciphertext, which allows remote attackers to recover keys via unspecified vectors.
Why it matters now
EPSS 0.0139 72nd 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 · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:xyssl:xyssl:*:*:*:*:*:*:*:* | up to 0.8 | Vulnerable | Xyssl |
| cpe:2.3:a:xyssl:xyssl:0.1:*:*:*:*:*:*:* | 0.1 | Vulnerable | Xyssl |
| cpe:2.3:a:xyssl:xyssl:0.2:*:*:*:*:*:*:* | 0.2 | Vulnerable | Xyssl |
| cpe:2.3:a:xyssl:xyssl:0.3:*:*:*:*:*:*:* | 0.3 | Vulnerable | Xyssl |
| cpe:2.3:a:xyssl:xyssl:0.4:*:*:*:*:*:*:* | 0.4 | Vulnerable | Xyssl |
| cpe:2.3:a:xyssl:xyssl:0.5:*:*:*:*:*:*:* | 0.5 | Vulnerable | Xyssl |
| cpe:2.3:a:xyssl:xyssl:0.6:*:*:*:*:*:*:* | 0.6 | Vulnerable | Xyssl |
| cpe:2.3:a:xyssl:xyssl:0.7:*:*:*:*:*:*:* | 0.7 | Vulnerable | Xyssl |
- cpe:2.3:a:xyssl:xyssl:*:*:*:*:*:*:*:* Versions up to 0.8 Vulnerable ·Xyssl
- cpe:2.3:a:xyssl:xyssl:0.1:*:*:*:*:*:*:* Versions 0.1 Vulnerable ·Xyssl
- cpe:2.3:a:xyssl:xyssl:0.2:*:*:*:*:*:*:* Versions 0.2 Vulnerable ·Xyssl
- cpe:2.3:a:xyssl:xyssl:0.3:*:*:*:*:*:*:* Versions 0.3 Vulnerable ·Xyssl
- cpe:2.3:a:xyssl:xyssl:0.4:*:*:*:*:*:*:* Versions 0.4 Vulnerable ·Xyssl
- cpe:2.3:a:xyssl:xyssl:0.5:*:*:*:*:*:*:* Versions 0.5 Vulnerable ·Xyssl
- cpe:2.3:a:xyssl:xyssl:0.6:*:*:*:*:*:*:* Versions 0.6 Vulnerable ·Xyssl
- cpe:2.3:a:xyssl:xyssl:0.7:*:*:*:*:*:*:* Versions 0.7 Vulnerable ·Xyssl
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-7128
- 2026-10-03 Alias added: GHSA-hq62-5x3m-5577
References
Advisory 1
More Xyssl vulnerabilities
- TI-2008-06817 XySSL before 0.9 allows remote attackers to cause a denial of service (infinite loop) via… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2008-7128 · CVE Program
- CVE-2008-7128 · NVD
- FIRST EPSS
- GHSA-hq62-5x3m-5577 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences