An integer underflow vulnerability exists in pixel-a.asm, the x86 assembly code for…
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-191 and the CVSS impact.
Summary
An integer underflow vulnerability exists in pixel-a.asm, the x86 assembly code for planeClipAndMax() in MulticoreWare x265 through 2.4, as used by the x265_encoder_encode dependency in libbpg and other products. A small picture can cause an integer underflow, which leads to a Denial of Service in the process of encoding.
Why it matters now
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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:multicorewareinc:x265_high_efficiency_video_coding:*:*:*:*:*:*:*:* | up to 2.4 | Vulnerable | Multicorewareinc |
- cpe:2.3:a:multicorewareinc:x265_high_efficiency_video_coding:*:*:*:*:*:*:*:* Versions up to 2.4 Vulnerable ·Multicorewareinc
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-8906
- 2026-10-03 Alias added: GHSA-9g24-5f9c-j34j
References
Sources
- CVE-2017-8906 · CVE Program
- CVE-2017-8906 · NVD
- FIRST EPSS
- GHSA-9g24-5f9c-j34j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences