hostapd 0.6.7 through 2.5 and wpa_supplicant 0.6.7 through 2.5 do not reject \n and \r…
Priority LOW 38CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
hostapd 0.6.7 through 2.5 and wpa_supplicant 0.6.7 through 2.5 do not reject \n and \r characters in passphrase parameters, which allows remote attackers to cause a denial of service (daemon outage) via a crafted WPS operation.
Why it matters now
EPSS 0.02858 86th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
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 · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:* | 0.6.7 – 2.5 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:* | 0.6.7 – 2.5 | Vulnerable | Wi-Fi Alliance |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:* | 17.04 | Vulnerable | Canonical |
- cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:* Versions 0.6.7 – 2.5 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:* Versions 0.6.7 – 2.5 Vulnerable ·Wi-Fi Alliance
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:* Versions 17.04 Vulnerable ·Canonical
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Not affected: 1 product
- Red Hat Enterprise Linux 5
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4476
- 2026-10-03 Alias added: GHSA-p986-2574-rgvr
References
Sources
- CVE-2016-4476 · CVE Program
- CVE-2016-4476 · NVD
- FIRST EPSS
- GHSA-p986-2574-rgvr · GitHub Advisory Database · CC BY 4.0
- CVE-2016-4476 · 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