PSI Jabber client before 0.12.1 allows remote attackers to cause a denial of service…
Priority MEDIUM 61CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
PSI Jabber client before 0.12.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a file transfer request with a negative value in a SOCKS5 option, which bypasses a signed integer check and triggers an integer overflow and a heap-based buffer overflow.
Why it matters now
EPSS 0.18344 97th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD and the CNA
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:psi-im:psi:*:*:*:*:*:*:*:* | up to 0.12 | Vulnerable | Psi-im |
| cpe:2.3:a:psi-im:psi:0.1.0:*:*:*:*:*:*:* | 0.1.0 | Vulnerable | Psi-im |
| cpe:2.3:a:psi-im:psi:0.8.6:*:*:*:*:*:*:* | 0.8.6 | Vulnerable | Psi-im |
| cpe:2.3:a:psi-im:psi:0.8.7:*:*:*:*:*:*:* | 0.8.7 | Vulnerable | Psi-im |
| cpe:2.3:a:psi-im:psi:0.9:*:*:*:*:*:*:* | 0.9 | Vulnerable | Psi-im |
| cpe:2.3:a:psi-im:psi:0.9.1:*:*:*:*:*:*:* | 0.9.1 | Vulnerable | Psi-im |
| cpe:2.3:a:psi-im:psi:0.9.2:*:*:*:*:*:*:* | 0.9.2 | Vulnerable | Psi-im |
| cpe:2.3:a:psi-im:psi:0.9.3:*:*:*:*:*:*:* | 0.9.3 | Vulnerable | Psi-im |
| cpe:2.3:a:psi-im:psi:0.11:*:*:*:*:*:*:* | 0.11 | Vulnerable | Psi-im |
| cpe:2.3:a:jabber:jabber_client:*:*:*:*:*:*:*:* | all versions | Running on | Jabber |
- cpe:2.3:a:psi-im:psi:*:*:*:*:*:*:*:* Versions up to 0.12 Vulnerable ·Psi-im
- cpe:2.3:a:psi-im:psi:0.1.0:*:*:*:*:*:*:* Versions 0.1.0 Vulnerable ·Psi-im
- cpe:2.3:a:psi-im:psi:0.8.6:*:*:*:*:*:*:* Versions 0.8.6 Vulnerable ·Psi-im
- cpe:2.3:a:psi-im:psi:0.8.7:*:*:*:*:*:*:* Versions 0.8.7 Vulnerable ·Psi-im
- cpe:2.3:a:psi-im:psi:0.9:*:*:*:*:*:*:* Versions 0.9 Vulnerable ·Psi-im
- cpe:2.3:a:psi-im:psi:0.9.1:*:*:*:*:*:*:* Versions 0.9.1 Vulnerable ·Psi-im
- cpe:2.3:a:psi-im:psi:0.9.2:*:*:*:*:*:*:* Versions 0.9.2 Vulnerable ·Psi-im
- cpe:2.3:a:psi-im:psi:0.9.3:*:*:*:*:*:*:* Versions 0.9.3 Vulnerable ·Psi-im
- cpe:2.3:a:psi-im:psi:0.11:*:*:*:*:*:*:* Versions 0.11 Vulnerable ·Psi-im
- cpe:2.3:a:jabber:jabber_client:*:*:*:*:*:*:*:* Versions all versions Running on ·Jabber
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2008-6393
- 2026-10-03 Alias added: GHSA-4p4v-f795-xc4p
References
Exploit 3
Sources
- CVE-2008-6393 · CVE Program
- CVE-2008-6393 · NVD
- FIRST EPSS
- GHSA-4p4v-f795-xc4p · GitHub Advisory Database · CC BY 4.0
- CVE-2008-6393 · 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