An issue was discovered in res_http_websocket.c in Asterisk 15.x through 15.2.1
Published Feb 22, 2018
5.9
MEDIUMCVSS 3.0
EPSS 11.45%
Description
An issue was discovered in res_http_websocket.c in Asterisk 15.x through 15.2.1. If the HTTP server is enabled (default is disabled), WebSocket payloads of size 0 are mishandled (with a busy loop).
Affected products
No data.
- 15.0.0
- 15.0.0
- 15.1.0
- 15.1.0
- 15.1.0
- 15.1.1
- 15.1.2
- 15.1.3
- 15.1.4
- 15.1.5
- 15.2.0
- 15.2.0
- 15.2.0
- 15.2.1
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:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/A:P
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 1, 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 (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 11.45% (0.11452) | 95.89th | v5 (v2026.06.15) |
| Aug 23, 2026 | 10.89% (0.10889) | 95.60th | v5 (v2026.06.15) |
| Jun 15, 2026 | 11.90% (0.11897) | 95.56th | v5 (v2026.06.15) |
| May 22, 2025 | 33.11% (0.33107) | 96.65th | v4 (v2025.03.14) |
| Mar 30, 2025 | 37.54% (0.37537) | 96.88th | v4 (v2025.03.14) |
| Mar 29, 2025 | 51.94% (0.51941) | 96.94th | v4 (v2025.03.14) |
| Mar 19, 2025 | 37.54% (0.37537) | 96.73th | v4 (v2025.03.14) |
| Mar 17, 2025 | 35.69% (0.35686) | 96.71th | v4 (v2025.03.14) |
| Dec 17, 2024 | 11.75% (0.11749) | 95.28th | v3 (v2023.03.01) |
| Dec 7, 2023 | 16.84% (0.16839) | 95.53th | v3 (v2023.03.01) |
| Oct 11, 2023 | 21.95% (0.21950) | 95.89th | v3 (v2023.03.01) |
| Aug 24, 2023 | 24.90% (0.24902) | 96.05th | v3 (v2023.03.01) |
| Jul 15, 2023 | 27.87% (0.27870) | 96.23th | v3 (v2023.03.01) |
| Jun 2, 2023 | 35.02% (0.35016) | 96.50th | v3 (v2023.03.01) |
| Mar 22, 2023 | 42.58% (0.42575) | 96.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 51.99% (0.51994) | 96.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.05% (0.02051) | 79.42th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.05% (0.02051) | 77.60th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.05% (0.02051) | 56.48th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.10% (0.01105) | 29.18th | v1 |
| Jan 6, 2022 | 1.10% (0.01105) | 28.54th | v1 |
| Sep 1, 2021 | 1.10% (0.01105) | 66.28th | v1 |
| Apr 14, 2021 | 1.10% (0.01105) | 0.00th | v1 |
References (4)
- http://downloads.digium.com/pub/security/AST-2018-006.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/103120 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040419 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://issues.asterisk.org/jira/browse/ASTERISK-27658 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://downloads.digium.com/pub/security/AST-2018-006.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/103120 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1040419 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://issues.asterisk.org/jira/browse/ASTERISK-27658 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.