integer overflow in calloc
Priority LOW 35CWE-190Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
In Wind River VxWorks, memory allocator has a possible overflow in calculating the 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 0.01542 75th 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 · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:* | 6.9 to before 6.9.4.12 | 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:a:oracle:communications_eagle:*:*:*:*:*:*:*:* | 46.8.0 – 48.6.2; 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 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:a:oracle:communications_eagle:*:*:*:*:*:*:*:* Versions 46.8.0 – 48.6.2; 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-2020-28895
- 2026-10-03 Alias added: GHSA-5wmw-m5w7-7m5m
References
Sources
- CVE-2020-28895 · CVE Program
- CVE-2020-28895 · NVD
- FIRST EPSS
- GHSA-5wmw-m5w7-7m5m · 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