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CVE-2019-12256
CRITICAL
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the IPv4 component. There is an IPNET security vulnerability: Stack overflow in the parsing of IPv4 packets’ IP options.
Published: Aug 9, 2019
Modified: Jun 17, 2026
CWE-120
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (31)
| Vendor | Product | Version |
|---|---|---|
| windriver | vxworks | * ≥ 6.5 < 6.9.4.12 |
| netapp | e-series_santricity_os_controller | * ≥ 8.00 |
| sonicwall | sonicos | * ≥ 5.9.0.0 |
| sonicwall | sonicos | * ≥ 5.9.1.0. |
| sonicwall | sonicos | * ≥ 6.2.0.0 |
| sonicwall | sonicos | * ≥ 6.2.4.0 |
| sonicwall | sonicos | * ≥ 6.2.5.0 |
| sonicwall | sonicos | * ≥ 6.2.6.0 |
| sonicwall | sonicos | * ≥ 6.2.7.0 |
| sonicwall | sonicos | * ≥ 6.2.9.0 |
| sonicwall | sonicos | * ≥ 6.5.0.0 |
| sonicwall | sonicos | * ≥ 6.5.1.0 |
| sonicwall | sonicos | * ≥ 6.5.2.0 |
| sonicwall | sonicos | * ≥ 6.5.3.0 |
| sonicwall | sonicos | * ≥ 6.5.4.0. |
| sonicwall | sonicos | 6.2.7.0 |
| sonicwall | sonicos | 6.2.7.1 |
| sonicwall | sonicos | 6.2.7.7 |
| siemens | siprotec_5_firmware | * < 7.59 |
| siemens | siprotec_5_firmware | * < 7.91 |
…and 11 more
GitHub Security Advisory GHSA-5g99-hg5x-7m26
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the IPv4 component. There is an IPNET...
References (18)
- https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf Third Party Advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190802-0001/ Third Party Advisory
- https://support.f5.com/csp/article/K41190253 Third Party Advisory
- https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12256 Vendor Advisory
- https://support2.windriver.com/index.php?page=security-notices Issue Tracking, Vendor Advisory
- https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/ Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf Third Party Advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190802-0001/ Third Party Advisory
- https://support.f5.com/csp/article/K41190253 Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
26.63%
Top 2% most likely to be exploited
Threat Score
47.2 / 100
Data Sources
NVD
EPSS
GitHub