When was CVE-2019-12255 disclosed?

CVE-2019-12255 was first published in the National Vulnerability Database on August 9, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-12255 actively exploited?

CVE-2019-12255 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-12255?

CVE-2019-12255 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-12255?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-12255, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

CVE-2019-12255

CRITICALNVD 9.89.8—

9.8

Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4). This is a IPNET security vulnerability: TCP Urgent Pointer = 0 that leads to an integer underflow.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 99.1%
KEV: Not listed

References (22)

cve@mitrehttp://packetstormsecurity.com/files/154022/VxWorks-6.8-Integer-Underflow.html
cve@mitrehttps://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
cve@mitrehttps://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf
cve@mitrehttps://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf
cve@mitrehttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009
cve@mitrehttps://security.netapp.com/advisory/ntap-20190802-0001/
cve@mitrehttps://support.f5.com/csp/article/K41190253
cve@mitrehttps://support.f5.com/csp/article/K41190253?utm_source=f5support&amp%3Butm_medium=RSS
cve@mitrehttps://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12255
cve@mitrehttps://support2.windriver.com/index.php?page=security-notices
cve@mitrehttps://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/154022/VxWorks-6.8-Integer-Underflow.html
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf

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CVE-2019-12255

Published

Last Modified

References (22)

Weakness Classification(2)

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-12255?

CVE-2019-12255

📅 Published

🔄 Last Modified

🔗 References (22)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-12255?

Published

Last Modified

References (22)

Frequently asked(5)