sslh Packet Dumping probe.c hexdump format string
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A vulnerability, which was classified as critical, has been found in sslh. This issue affects the function hexdump of the file probe.c of the component Packet Dumping Handler. The manipulation of the argument msg_info leads to format string. The attack may be initiated remotely. The name of the patch is b19f8a6046b080e4c2e28354a58556bb26040c6f. It is recommended to apply a patch to fix this issue. The identifier VDB-216497 was assigned to this vulnerability.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| unspecified | sslh | all versions | — | No fix listed | CNA |
- sslh Vendorunspecified Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sslh_project:sslh:2.0:rc1:*:*:*:*:*:* | 2.0 rc1 | Vulnerable | Sslh Project |
- cpe:2.3:a:sslh_project:sslh:2.0:rc1:*:*:*:*:*:* Versions 2.0 rc1 Vulnerable ·Sslh Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-4639
- 2026-10-03 Alias added: GHSA-f594-pvw5-8f79
References
Sources
- CVE-2022-4639 · CVE Program
- CVE-2022-4639 · NVD
- FIRST EPSS
- GHSA-f594-pvw5-8f79 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-4639 · 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