Heap-based buffer overflow in the create_url_list function in gena/gena_device.c in…
Priority MEDIUM 53CWE-119Published · Updated
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 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Heap-based buffer overflow in the create_url_list function in gena/gena_device.c in Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a valid URI followed by an invalid one in the CALLBACK header of an SUBSCRIBE request.
Why it matters now
EPSS 0.0856 95th 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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libupnp_project:libupnp:*:*:*:*:*:*:*:* | up to 1.6.20 | Vulnerable | Libupnp Project |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
- cpe:2.3:a:libupnp_project:libupnp:*:*:*:*:*:*:*:* Versions up to 1.6.20 Vulnerable ·Libupnp Project
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2016-8863
- 2026-10-03 Alias added: GHSA-4cjm-5fqc-2f6p
- 2026-10-21 EPSS moved to the 95th–99th percentile
References
Sources
- CVE-2016-8863 · CVE Program
- CVE-2016-8863 · NVD
- FIRST EPSS
- GHSA-4cjm-5fqc-2f6p · GitHub Advisory Database · CC BY 4.0
- CVE-2016-8863 · 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