An exploitable buffer overflow vulnerability exists in the HTTP header-parsing function of the Webroot BrightCloud SDK
Published Jan 3, 2019
9.0
CRITICALCVSS 3.0
EPSS 2.55%
Description
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.
Affected products
- Vendor n/a Product Webroot Defaultn/a
- Version Webroot BrightCloud SDKStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Webroot | n/a |
|
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021-2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.55% (0.02546) | 84.47th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.55% (0.02546) | 82.91th | v5 (v2026.06.15) |
| Apr 21, 2025 | 2.64% (0.02636) | 84.86th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.01% (0.01007) | 75.05th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.36% (0.02362) | 74.89th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.26% (0.00257) | 65.84th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.26% (0.00257) | 64.48th | v3 (v2023.03.01) |
| Apr 14, 2023 | 0.26% (0.00257) | 61.89th | v3 (v2023.03.01) |
| Mar 31, 2023 | 0.29% (0.00288) | 64.05th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.36% (0.00365) | 68.02th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.09% (0.01086) | 53.47th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.09% (0.01086) | 51.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.09% (0.01086) | 49.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.09% (0.01086) | 28.42th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.78% (0.00776) | 21.05th | v1 |
| Jan 6, 2022 | 0.78% (0.00776) | 20.47th | v1 |
| Sep 1, 2021 | 0.78% (0.00776) | 49.72th | v1 |
| Apr 14, 2021 | 0.78% (0.00776) | 0.00th | v1 |
References (1)
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0683 x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0683 | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.