MEDIUM
An Integer Signedness issue (for a return code) in the res_pjsip_sdp_rtp module in Digium Asterisk versions 15.7.1 and earlier and 16.1.1 and earlier allows remote authenticated users to crash Asterisk via a specially crafted SDP protocol violation
Published Mar 28, 2019
6.5
MEDIUMCVSS 3.0
EPSS 3.64%
Description
An Integer Signedness issue (for a return code) in the res_pjsip_sdp_rtp module in Digium Asterisk versions 15.7.1 and earlier and 16.1.1 and earlier allows remote authenticated users to crash Asterisk via a specially crafted SDP protocol violation.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.5 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
4.0 MEDIUM NVD
AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.64% 0.03640
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
EPSS probability 0.03640
Score over time
2021-2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (18 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 3.64% (0.03640) | 89.22th | v5 (v2026.06.15) |
| Jun 18, 2026 | 3.81% (0.03811) | 88.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.67% (0.02675) | 83.78th | v5 (v2026.06.15) |
| Nov 21, 2025 | 4.41% (0.04411) | 88.52th | v4 (v2025.03.14) |
| Nov 18, 2025 | 3.17% (0.03175) | 85.72th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.63% (0.04635) | 88.27th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.15% (0.12149) | 89.67th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.63% (0.04635) | 88.56th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.17% (0.00166) | 53.72th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.17% (0.00166) | 53.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00167) | 51.57th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.50% (0.04499) | 74.08th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.43% (0.03427) | 68.31th | v5 (v2026.06.15) |
| Jan 6, 2022 | 3.43% (0.03427) | 68.01th | v1 |
| Sep 1, 2021 | 0.78% (0.00785) | 52.07th | v1 |
| Apr 14, 2021 | 0.78% (0.00785) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://downloads.asterisk.org/pub/security/AST-2019-001.html x_refsource_CONFIRMPatchVendor Advisory
- https://issues.asterisk.org/jira/browse/ASTERISK-28260 x_refsource_CONFIRMIssue TrackingVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://downloads.asterisk.org/pub/security/AST-2019-001.html | x_refsource_CONFIRMPatchVendor Advisory | |
| https://issues.asterisk.org/jira/browse/ASTERISK-28260 | x_refsource_CONFIRMIssue TrackingVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 28, 2019
Updated Aug 4, 2024
Reserved Jan 31, 2019
Link CVE-2019-7251
CISA Vulnrichment
Updated n/a