The WebRTC component in the Signal Private Messenger application through 4.47.7 for Android processes videoconferencing RTP packets before a callee chooses to answer a call, which might make it easier for remote attackers to cause a denial of service or possibly have unspecified other impact via malformed packets
Published Oct 5, 2019
9.8
CRITICALCVSS 3.1
EPSS 2.73%
Description
The WebRTC component in the Signal Private Messenger application through 4.47.7 for Android processes videoconferencing RTP packets before a callee chooses to answer a call, which might make it easier for remote attackers to cause a denial of service or possibly have unspecified other impact via malformed packets. NOTE: the vendor plans to continue this behavior for performance reasons unless a WebRTC design change occurs
Affected products
No data.
- ≤ 4.47.7
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/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 4, 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 4, 2026 | 2.73% (0.02728) | 85.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.73% (0.02728) | 84.10th | v5 (v2026.06.15) |
| Apr 8, 2025 | 1.15% (0.01154) | 76.70th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.17% (0.02171) | 82.81th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.25% (0.04249) | 80.99th | v4 (v2025.03.14) |
| Jul 20, 2024 | 1.19% (0.01189) | 85.29th | v3 (v2023.03.01) |
| Jul 18, 2024 | 1.19% (0.01189) | 85.29th | v3 (v2023.03.01) |
| Aug 8, 2023 | 1.19% (0.01189) | 83.29th | v3 (v2023.03.01) |
| Jul 24, 2023 | 1.35% (0.01352) | 84.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.14% (0.01135) | 82.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 14.90% (0.14903) | 91.30th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.91% (0.05910) | 81.26th | v1 |
| Jan 6, 2022 | 5.91% (0.05910) | 81.07th | v1 |
| Sep 1, 2021 | 1.38% (0.01381) | 70.84th | v1 |
| Apr 14, 2021 | 1.38% (0.01381) | 0.00th | v1 |
References (3)
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1936 x_refsource_MISCThird Party Advisory
- https://news.ycombinator.com/item?id=21161432 x_refsource_MISCThird Party Advisory
- https://twitter.com/moxie/status/1180226374851710976 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugs.chromium.org/p/project-zero/issues/detail?id=1936 | x_refsource_MISCThird Party Advisory | |
| https://news.ycombinator.com/item?id=21161432 | x_refsource_MISCThird Party Advisory | |
| https://twitter.com/moxie/status/1180226374851710976 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.