HIGH
The flv_write_packet function in libavformat/flvenc.c in FFmpeg through 2.8 does not check for an empty audio packet, leading to an assertion failure
Published Aug 23, 2018
7.5
HIGHCVSS 3.1
EPSS 3.27%
Description
The flv_write_packet function in libavformat/flvenc.c in FFmpeg through 2.8 does not check for an empty audio packet, leading to an assertion failure.
Affected products
No data.
Configuration 2
OR
- 8.0
- 9.0
Configuration 3
OR
- 16.04
- 18.04
- 18.10
- 19.04
- 20.04
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.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
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.
3.27% 0.03266
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03266
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 (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.27% (0.03266) | 87.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.27% (0.03266) | 86.74th | v5 (v2026.06.15) |
| Nov 21, 2025 | 1.53% (0.01526) | 80.72th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.88% (0.02876) | 85.04th | v4 (v2025.03.14) |
| Oct 8, 2025 | 1.53% (0.01526) | 80.59th | v4 (v2025.03.14) |
| Sep 15, 2025 | 0.39% (0.00393) | 59.50th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.72% (0.01716) | 80.69th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.91% (0.02906) | 77.26th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.99% (0.00992) | 83.74th | v3 (v2023.03.01) |
| Mar 18, 2024 | 0.99% (0.00992) | 83.19th | v3 (v2023.03.01) |
| Jan 14, 2024 | 1.26% (0.01261) | 84.14th | v3 (v2023.03.01) |
| Aug 17, 2023 | 1.25% (0.01251) | 83.83th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.82% (0.00816) | 79.19th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.66% (0.01659) | 34.20th | v1 |
| Jan 6, 2022 | 1.66% (0.01659) | 33.50th | v1 |
| Sep 1, 2021 | 1.66% (0.01659) | 73.96th | v1 |
| Apr 14, 2021 | 1.66% (0.01659) | 0.00th | v1 |
Weaknesses (1)
References (7)
- https://github.com/FFmpeg/FFmpeg/commit/6b67d7f05918f7a1ee8fc6ff21355d7e8736aa10 x_refsource_MISCPatchThird Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/d8ecb335fe4852bbc172c7b79e66944d158b4d92 x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00043.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://seclists.org/bugtraq/2019/May/60 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- https://usn.ubuntu.com/3967-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4431-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.debian.org/security/2019/dsa-4449 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/FFmpeg/FFmpeg/commit/6b67d7f05918f7a1ee8fc6ff21355d7e8736aa10 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/FFmpeg/FFmpeg/commit/d8ecb335fe4852bbc172c7b79e66944d158b4d92 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2019/05/msg00043.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://seclists.org/bugtraq/2019/May/60 | mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory | |
| https://usn.ubuntu.com/3967-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/4431-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.debian.org/security/2019/dsa-4449 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 23, 2018
Updated Aug 5, 2024
Reserved Aug 23, 2018
Link CVE-2018-15822
CISA Vulnrichment
Updated n/a