TI-2018-02980 Aliases CVE-2018-4012 GHSA-vm7v-ghcw-jg4f

Memory corruption in Webroot

MEDIUM 44CWE-119Published 2019-01-03 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

An exploitable buffer overflow vulnerability exists in the HTTP header-parsing function of the Webroot BrightCloud SDK. The function bc_http_read_header incorrectly handles overlong headers, leading to arbitrary code execution. An unauthenticated attacker could impersonate a remote BrightCloud server to trigger this vulnerability.

Why it matters now

EPSS 0.02546 85th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

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
—	Webroot	Webroot BrightCloud SDK	—	No fix listed	CNA

Webroot Vendor— Affected Webroot BrightCloud SDK Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:webroot:brightcloud::::::::	all versions	Vulnerable	Webroot

cpe:2.3:a:webroot:brightcloud:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Webroot

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-4012
2026-10-03 Alias added: GHSA-vm7v-ghcw-jg4f

References

Exploit 1

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0683

TI-2018-02983 Improper certificate validation in Webroot CVSS 3.1HIGH 8.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences