The Serialize.deserialize() method in CoAPthon 3.1, 4.0.0, 4.0.1, and 4.0.2 mishandles certain exceptions, leading to a denial of service in applications that use this library (e.g., the standard CoAP server, CoAP client, CoAP reverse proxy, example collect CoAP server and client) when they receive crafted CoAP messages
Published Apr 2, 2019
8.7
HIGHCVSS 4.0
EPSS 1.50%
Description
The Serialize.deserialize() method in CoAPthon 3.1, 4.0.0, 4.0.1, and 4.0.2 mishandles certain exceptions, leading to a denial of service in applications that use this library (e.g., the standard CoAP server, CoAP client, CoAP reverse proxy, example collect CoAP server and client) when they receive crafted CoAP messages.
Affected products
No data.
- 3.1
- 4.0.0
- 4.0.1
- 4.0.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/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 v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.50% (0.01503) | 73.38th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.50% (0.01503) | 73.17th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.10% (0.00096) | 40.81th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.10% (0.00096) | 40.78th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00096) | 38.74th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.52% (0.00518) | 11.68th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.52% (0.00518) | 0.00th | v1 |
References (4)
- https://github.com/Tanganelli/CoAPthon/issues/135 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://github.com/advisories/GHSA-5xc6-fpc7-4qvg Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/coapthon/PYSEC-2019-165.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2018-12680
| Link | Providers | Tags |
|---|---|---|
| https://github.com/Tanganelli/CoAPthon/issues/135 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://github.com/advisories/GHSA-5xc6-fpc7-4qvg | Advisory | |
| https://github.com/pypa/advisory-database/tree/main/vulns/coapthon/PYSEC-2019-165.yaml | ||
| https://nvd.nist.gov/vuln/detail/CVE-2018-12680 |
Change history (0)
No recorded changes yet.