Stack-based buffer overflow in the guac_client_plugin_open function in libguac in…
Priority MEDIUM 48CWE-119Published · 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
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Stack-based buffer overflow in the guac_client_plugin_open function in libguac in Guacamole before 0.6.3 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long protocol name.
Why it matters now
EPSS 0.13581 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:fedoraproject:fedora:16:*:*:*:*:*:*:* | 16 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:* | 17 | Vulnerable | Fedoraproject |
| cpe:2.3:a:guac-dev:guacamole:*:*:*:*:*:*:*:* | up to 0.6.2 | Vulnerable | Guac-dev |
| cpe:2.3:a:guac-dev:guacamole:0.5.0:*:*:*:*:*:*:* | 0.5.0 | Vulnerable | Guac-dev |
| cpe:2.3:a:guac-dev:guacamole:0.6.0:*:*:*:*:*:*:* | 0.6.0 | Vulnerable | Guac-dev |
| cpe:2.3:a:guac-dev:guacamole:0.6.3:*:*:*:*:*:*:* | 0.6.3 | Running on | Guac-dev |
- cpe:2.3:o:fedoraproject:fedora:16:*:*:*:*:*:*:* Versions 16 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:* Versions 17 Vulnerable ·Fedoraproject
- cpe:2.3:a:guac-dev:guacamole:*:*:*:*:*:*:*:* Versions up to 0.6.2 Vulnerable ·Guac-dev
- cpe:2.3:a:guac-dev:guacamole:0.5.0:*:*:*:*:*:*:* Versions 0.5.0 Vulnerable ·Guac-dev
- cpe:2.3:a:guac-dev:guacamole:0.6.0:*:*:*:*:*:*:* Versions 0.6.0 Vulnerable ·Guac-dev
- cpe:2.3:a:guac-dev:guacamole:0.6.3:*:*:*:*:*:*:* Versions 0.6.3 Running on ·Guac-dev
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2012-4415
- 2026-10-03 Alias added: GHSA-2prc-vxg2-86hj
References
Sources
- CVE-2012-4415 · CVE Program
- CVE-2012-4415 · NVD
- FIRST EPSS
- GHSA-2prc-vxg2-86hj · GitHub Advisory Database · CC BY 4.0
- CVE-2012-4415 · 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