An issue was discovered in Wind River VxWorks 7.
Priority MEDIUM 47CWE-190Published · 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 3.1 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.
Summary
An issue was discovered in Wind River VxWorks 7. The memory allocator has a possible integer overflow in calculating a memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.
Why it matters now
EPSS 0.02491 84th 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 · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:* | 6.9 to before 6.9.4.12; 7.0 to before 21.03 | Vulnerable | Wind River |
| cpe:2.3:o:windriver:vxworks:6.9.4.12:-:*:*:*:*:*:* | 6.9.4.12 | Vulnerable | Wind River |
| cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer1:*:*:*:*:*:* | 6.9.4.12 rolling_cumulative_patch_layer1 | Vulnerable | Wind River |
| cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer2:*:*:*:*:*:* | 6.9.4.12 rolling_cumulative_patch_layer2 | Vulnerable | Wind River |
| cpe:2.3:a:oracle:communications_eagle:*:*:*:*:*:*:*:* | 46.8.0 – 46.8.2; 46.9.1 – 46.9.3 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:communications_eagle:46.7.0:*:*:*:*:*:*:* | 46.7.0 | Vulnerable | Oracle |
- cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:* Versions 6.9 to before 6.9.4.12; 7.0 to before 21.03 Vulnerable ·Wind River
- cpe:2.3:o:windriver:vxworks:6.9.4.12:-:*:*:*:*:*:* Versions 6.9.4.12 Vulnerable ·Wind River
- cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer1:*:*:*:*:*:* Versions 6.9.4.12 rolling_cumulative_patch_layer1 Vulnerable ·Wind River
- cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer2:*:*:*:*:*:* Versions 6.9.4.12 rolling_cumulative_patch_layer2 Vulnerable ·Wind River
- cpe:2.3:a:oracle:communications_eagle:*:*:*:*:*:*:*:* Versions 46.8.0 – 46.8.2; 46.9.1 – 46.9.3 Vulnerable ·Oracle
- cpe:2.3:a:oracle:communications_eagle:46.7.0:*:*:*:*:*:*:* Versions 46.7.0 Vulnerable ·Oracle
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-35198
- 2026-10-03 Alias added: GHSA-jv4r-hc9x-r99x
References
Sources
- CVE-2020-35198 · CVE Program
- CVE-2020-35198 · NVD
- FIRST EPSS
- GHSA-jv4r-hc9x-r99x · GitHub Advisory Database · CC BY 4.0
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