Use-after-free vulnerability in the DesktopDisplayDevice class in the WebRTC…
Priority LOW 28Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Use-after-free vulnerability in the DesktopDisplayDevice class in the WebRTC implementation in Mozilla Firefox before 45.0 on Windows might allow remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.
Why it matters now
EPSS 0.01337 71st 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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | up to 44.0.2 | Vulnerable | Mozilla |
| cpe:2.3:a:webrtc_project:webrtc:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Webrtc Project |
- cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 44.0.2 Vulnerable ·Mozilla
- cpe:2.3:a:webrtc_project:webrtc:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Webrtc Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2016-1976
- 2026-10-03 Alias added: GHSA-6w2j-4h6c-6wqg
References
Sources
- CVE-2016-1976 · CVE Program
- CVE-2016-1976 · NVD
- FIRST EPSS
- GHSA-6w2j-4h6c-6wqg · GitHub Advisory Database · CC BY 4.0
- CVE-2016-1976 · 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